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Torbjørn Elvsåshagen

university of oslo

43H-index
140Paper Count
1.3WCitation Count
Published Papers 58
Publication Date
Ultra-high field brain MRI for functional neurological disorder: opportunities and challenges
err2026-02-19
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errSverre Myren; Johannes Jungilligens; Ibai Diez; Erlend Bøen; Torbjørn Elvsåshagen; Birte Forstmann; Maryam Ziaei; Thanh P. Doan
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Psychotropic medications and their interactions with subcortical brain volume in bipolar disorder: An ENIGMA mega-analysis
err2026-01-15
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errSinead King; John O’Connor; Emma Corley; Giulia Tronchin; Elisa Fontana; Leila Nabulsi; Melody J. Y. Kang; Joaquim Radua; Brian Hallahan; Christoph Abé; Martin Alda; Dag Alnæs; Silvia Alonso-Lana; Silvia Amoretti; Jochen Bauer; Francesco Benedetti; Klaus Berger; Michael Berk; Erlend Bøen; Joscha Böhnlein; Birgitte Boye; Beatrice Bravi; Erick J. Canales-Rodríguez; Udo Dannlowski; Caroline Demro; Annabella Di Giorgio; Ana M. Diaz-Zuluaga; Torbjørn Elvsåshagen; Pauline Favre; Tracy Erwin-Grabner; María Florencia Forte; Janice M. Fullerton; Lisa S. Furlong; Susan L. Rossell; David C. Glahn; Benjamin I. Goldstein; Ian H. Gotlib; Roberto Goya-Maldonado; Melissa J. Green; Dominik Grotegerd; Oliver Gruber; Bartholomeus C. M. Haarman; Tim Hahn; Tomas Hajek; Leonie Hater; Marco Hermesdorf; Josselin Houenou; Fleur M. Howells; James A. Karantonis; Kody G. Kennedy; Tilo Kircher; Anna Luisa Klahn; Maximilian Konowski; Bernd Krämer; Elijah Lahud; Rayus Kuplicki; Mikael Landén; Carlos López-Jaramillo; Bradley J. MacIntosh; Hannah Meinert; Susanne Meinert; Elisa M. T. Melloni; Philip B. Mitchell; Benson Mwangi; Igor Nenadić; Bronwyn J. Overs; Nadine Parker; Godfrey Pearlson; Edith Pomarol-Clotet; James J. Prisciandaro; Yann Quidé; Gloria Roberts; Amanda Rodrigue; Elena Rodríguez-Cano; Lisa Rauer; Matthew D. Sacchet; Raymond Salvador; Fabio Sambataro; Theodore D. Satterthwaite; Jonathan Savitz; Freda Scheffler; Navid Schürmeyer; Chen Shen; Kang Sim; Jair C. Soares; Aleix Solanes; Márcio Gerhardt Soeiro-de-Souza; Scott R. Sponheim; Dan J. Stein; Frederike Stein; Henk S. Temmingh; Lea Teutenberg; Sophia I. Thomopoulos; Snezana Urosevic; Tamsyn E. Van Rheenen; Eduard Vieta; Lars T. Westlye; Daniel H. Wolf; Mon-Ju Wu; Lakshmi N. Yatham; Giovana B. Zunta-Soares; Dara M. Cannon; Paul M. Thompson; Ole A. Andreassen; Christopher R. K. Ching; Colm McDonald
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Long-Range Temporal Correlations in Violence and Psychosis: An EEG-Based Study
err2025-11-21
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errNina Bang; Merete Berg Nesset; Kirsten Rasmussen; Hilde Dahl; Christina Bell; Thomas Fischer-Vieler; Christine Friestad; Ole A. Andreassen; Torgeir Moberget; Erik G. Jönsson; Knut A. Skaug; Unn K. Haukvik; Torbjørn Elvsåshagen
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A genome-wide analysis of the shared genetic risk architecture of complex neurological and psychiatric disorders
err2025-11-11
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PREAI
errOlav B. Smeland; Gleda Kutrolli; Shahram Bahrami; Vera Fominykh; Nadine Parker; Julian Fuhrer; Guy F. L. Hindley; Linn Rødevand; Piotr Jaholkowski; Markos Tesfaye; Pravesh Parekh; Torbjørn Elvsåshagen; Andrew D. Grotzinger; Nils Eiel Steen; Dennis van der Meer; Kevin S. O’Connell; Srdjan Djurovic; Anders M. Dale; Alexey A. Shadrin; Oleksandr Frei; Ole A. Andreassen
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Auditory MMN is associated with the volume of thalamic higher order nuclei in individuals with psychotic disorders and healthy controls
err2025-02-01
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errPentz, Atle Brathen; Maki-Marttunen, Veronica; van Jole, Oda; Nerland, Stener; Melle, Ingrid; Steen, Nils Eiel; Agartz, Ingrid; Westlye, Lars T.; Haukvik, Unn K.; Moberget, Torgeir; Jonsson, Erik G.; Andreassen, Ole A.; Elvsashagen, Torbjorn
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Large-scale brainstem neuroimaging and genetic analyses provide new insights into the neuronal mechanisms of hypertension
err2025-01-01
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errGurholt, Tiril P.; Elvsashagen, Torbjorn; Bahrami, Shahram; Rahman, Zillur; Shadrin, Alexey; Askeland-Gjerde, Daniel E.; van der Meer, Dennis; Frei, Oleksandr; Kaufmann, Tobias; Sonderby, Ida E.; Halvorsen, Sigrun; Westlye, Lars T.; Andreassen, Ole A.
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White matter microstructure in obesity and bipolar disorders: an ENIGMA bipolar disorder working group study in 2186 individuals
err2024-11-05
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PREAI
errDietze, Lorielle M. F.; Mcwhinney, Sean R.; Favre, Pauline; Abe, Christoph; Alexander, Nina; Barkhau, Carlotta; Benedetti, Francesco; Berk, Michael; Boen, Erlend; Boye, Birgitte; Brosch, Katharina; Canales-Rodriguez, Erick J.; Cannon, Dara M.; Carruthers, Sean P.; Corkum, Emily L. V.; Dannlowski, Udo; Diaz-Zuluaga, Ana M.; Dohm, Katharina; Elvsashagen, Torbjorn; Flinkenfluegel, Kira; Fortea, Lydia; Furlong, Lisa S.; Goldstein, Benjamin I.; Grotegerd, Dominik; Gruber, Marius; Haarman, Bartholomeus C. M.; Howells, Fleur M.; Jahanshad, Neda; Jamalabadi, Hamidreza; Jansen, Andreas; Karantonis, James A.; Kennedy, Kody G.; Kircher, Tilo T. J.; Klahn, Anna Luisa; Kochunov, Peter; Kraus, Anna; Landen, Mikael; Lopez-Jaramillo, Carlos; Macintosh, Bradley J.; Mazza, Elena; Mcdonald, Colm; Mcintosh, Andrew M.; Meinert, Hannah; Meinert, Susanne; Melloni, Elisa M. T.; Mitchell, Philip B.; Nenadic, Igor; Opel, Nils; Phillips, Mary; Piguet, Camille; Polosan, Mircea; Pomarol-Clotet, Edith; Pouchon, Arnaud; Radua, Joaquim; Roberts, Gloria; Ross, Alex J.; Rossell, Susan L.; Salvador, Raymond; Sim, Kang; Soares, Jair C.; Zunta-Soares, Giovana B.; Stein, Frederike; Straube, Benjamin; Suo, Chao; Teutenberg, Lea; Thomas-Odenthal, Florian; Thomopoulos, Sophia I.; Usemann, Paula; Van Rheenen, Tamsyn E.; Versace, Amelia; Vieta, Eduard; Vilajosana, Enric; Mwangi, Benson; Wen, Wei; Whalley, Heather C.; Wu, Mon-Ju; Andreassen, Ole A.; Ching, Christopher R. K.; Thompson, Paul M.; Houenou, Josselin; Hajek, Tomas
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The genetic landscape of basal ganglia and implications for common brain disorders
err2024-10-01
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errBahrami, Shahram; Nordengen, Kaja; Rokicki, Jaroslav; Shadrin, Alexey A.; Rahman, Zillur; Smeland, Olav B.; Jaholkowski, Piotr P.; Parker, Nadine; Parekh, Pravesh; O'Connell, Kevin S.; Elvsashagen, Torbjorn; Toft, Mathias; Djurovic, Srdjan; Dale, Anders M.; Westlye, Lars T.; Kaufmann, Tobias; Andreassen, Ole A.
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Principal component analysis as an efficient method for capturing multivariate brain signatures of complex disorders-ENIGMA study in people with bipolar disorders and obesity
err2024-06-02
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errMcWhinney, Sean R.; Hlinka, Jaroslav; Bakstein, Eduard; Dietze, Lorielle M. F.; Corkum, Emily L. V.; Abe, Christoph; Alda, Martin; Alexander, Nina; Benedetti, Francesco; Berk, Michael; Boen, Erlend; Bonnekoh, Linda M.; Boye, Birgitte; Brosch, Katharina; Canales-Rodriguez, Erick J.; Cannon, Dara M.; Dannlowski, Udo; Demro, Caroline; Diaz-Zuluaga, Ana; Elvsashagen, Torbjorn; Eyler, Lisa T.; Fortea, Lydia; Fullerton, Janice M.; Goltermann, Janik; Gotlib, Ian H.; Grotegerd, Dominik; Haarman, Bartholomeus; Hahn, Tim; Howells, Fleur M.; Jamalabadi, Hamidreza; Jansen, Andreas; Kircher, Tilo; Klahn, Anna Luisa; Kuplicki, Rayus; Lahud, Elijah; Landen, Mikael; Leehr, Elisabeth J.; Lopez-Jaramillo, Carlos; Mackey, Scott; Malt, Ulrik; Martyn, Fiona; Mazza, Elena; McDonald, Colm; McPhilemy, Genevieve; Meier, Sandra; Meinert, Susanne; Melloni, Elisa; Mitchell, Philip B.; Nabulsi, Leila; Nenadic, Igor; Nitsch, Robert; Opel, Nils; Ophoff, Roel A.; Ortuno, Maria; Overs, Bronwyn J.; Pineda-Zapata, Julian; Pomarol-Clotet, Edith; Radua, Joaquim; Repple, Jonathan; Roberts, Gloria; Rodriguez-Cano, Elena; Sacchet, Matthew D.; Salvador, Raymond; Savitz, Jonathan; Scheffler, Freda; Schofield, Peter R.; Schuermeyer, Navid; Shen, Chen; Sim, Kang; Sponheim, Scott R.; Stein, Dan J.; Stein, Frederike; Straube, Benjamin; Suo, Chao; Temmingh, Henk; Teutenberg, Lea; Thomas-Odenthal, Florian; Thomopoulos, Sophia I.; Urosevic, Snezana; Usemann, Paula; van Haren, Neeltje E. M.; Vargas, Cristian; Vieta, Eduard; Vilajosana, Enric; Vreeker, Annabel; Winter, Nils R.; Yatham, Lakshmi N.; Thompson, Paul M.; Andreassen, Ole A.; Ching, Christopher R. K.; Hajek, Tomas
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Mismatch negativity and polygenic risk scores for schizophrenia and bipolar disorder
err2024-02-01
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errPentz, Atle Brathen; O'Connel, Kevin Sean; van Jole, Oda; Timpe, Clara Maria Fides; Slapo, Nora Berz; Melle, Ingrid; Lagerberg, Trine Vik; Steen, Nils Eiel; Westlye, Lars T.; Haukvik, Unn K.; Moberget, Torgeir; Jonsson, Erik G.; Andreassen, Ole A.; Elvsashagen, Torbjorn
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Mismatch negativity in schizophrenia spectrum and bipolar disorders: Group and sex differences and associations with symptom severity
err2023-11-01
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errPentz, Atle Brathen; Timpe, Clara Maria Fides; Normann, Elizabeth Marie; Slapo, Nora Berz; Melle, Ingrid; Lagerberg, Trine Vik; Steen, Nils Eiel; Westlye, Lars T.; Jonsson, Erik G.; Haukvik, Unn K.; Moberget, Torgeir; Andreassen, Ole A.; Elvsashagen, Torbjrn
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Mega-analysis of association between obesity and cortical morphology in bipolar disorders: ENIGMA study in 2832 participants
err2023-02-27
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errMcWhinney, Sean R.; Abe, Christoph; Alda, Martin; Benedetti, Francesco; Boen, Erlend; Bonnin, Caterina del Mar; Borgers, Tiana; Brosch, Katharina; Canales-Rodriguez, Erick J.; Cannon, Dara M.; Dannlowski, Udo; Diaz-Zuluaga, Ana M.; Dietze, Lorielle M. F.; Elvsashagen, Torbjorn; Eyler, Lisa T.; Fullerton, Janice M.; Goikolea, Jose M.; Goltermann, Janik; Grotegerd, Dominik; Haarman, Bartholomeus C. M.; Hahn, Tim; Howells, Fleur M.; Ingvar, Martin; Jahanshad, Neda; Kircher, Tilo T. J.; Krug, Axel; Kuplicki, Rayus T.; Landen, Mikael; Lemke, Hannah; Liberg, Benny; Lopez-Jaramillo, Carlos; Malt, Ulrik F.; Martyn, Fiona M.; Mazza, Elena; McDonald, Colm; McPhilemy, Genevieve; Meier, Sandra; Meinert, Susanne; Meller, Tina; Melloni, Elisa M. T.; Mitchell, Philip B.; Nabulsi, Leila; Nenadic, Igor; Opel, Nils; Ophoff, Roel A.; Overs, Bronwyn J.; Pfarr, Julia-Katharina; Pineda-Zapata, Julian A.; Pomarol-Clotet, Edith; Radua, Joaquim; Repple, Jonathan; Richter, Maike; Ringwald, Kai G.; Roberts, Gloria; Ross, Alex; Salvador, Raymond; Savitz, Jonathan; Schmitt, Simon; Schofield, Peter R.; Sim, Kang; Stein, Dan J.; Stein, Frederike; Temmingh, Henk S.; Thiel, Katharina; Thomopoulos, Sophia I.; van Haren, Neeltje E. M.; Vargas, Cristian; Vieta, Eduard; Vreeker, Annabel; Waltemate, Lena; Yatham, Lakshmi N.; Ching, Christopher R. K.; Andreassen, Ole A.; Thompson, Paul M.; Hajek, Tomas
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Systemic Cell Adhesion Molecules in Severe Mental Illness: Potential Role of Intercellular CAM-1 in Linking Peripheral and Neuroinflammation
err2023-01-01
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errSheikh, Mashhood A.; O'Connell, Kevin S.; Lekva, Tove; Szabo, Attila; Akkouh, Ibrahim A.; Osete, Jordi Requena; Agartz, Ingrid; Engh, John A.; Andreou, Dimitrios; Boye, Birgitte; Boen, Erlend; Elvsashagen, Torbjorn; Hope, Sigrun; Werner, Maren Caroline Frogner; Joa, Inge; Johnsen, Erik; Kroken, Rune A.; Lagerberg, Trine Vik; Melle, Ingrid; Drange, Ole Kristian; Morken, Gunnar; Naerland, Terje; Sorensen, Kjetil; Vaaler, Arne E.; Weibell, Melissa Authen; Westlye, Lars T.; Aukrust, Pal; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole A.; Ueland, Thor
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Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness
err2022-12-03
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errJensen, Soren B.; Sheikh, Mashhood A.; Akkouh, Ibrahim A.; Szabo, Attila; O'Connell, Kevin S.; Lekva, Tove; Engh, John A.; Agartz, Ingrid; Elvsashagen, Torbjorn; Ormerod, Monica B. E. G.; Weibell, Melissa A.; Johnsen, Erik; Kroken, Rune A.; Melle, Ingrid; Drange, Ole K.; Naerland, Terje; Vaaler, Arne E.; Westlye, Lars T.; Aukrust, Pal; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole A.; Ueland, Thor
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Evidence for widespread alterations in cortical microstructure after 32 h of sleep deprivation
err2022-04-14
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errVoldsbekk, Irene; Bjornerud, Atle; Groote, Inge; Zak, Nathalia; Roelfs, Daniel; Maximov, Ivan I.; Geier, Oliver; Due-Tonnessen, Paulina; Boen, Erlend; Kuiper, Yvonne S.; Lokken, Lise-Linn; Stromstad, Marie; Blakstvedt, Taran Y.; Bjorvatn, Bjorn; Malt, Ulrik F.; Westlye, Lars T.; Elvsashagen, Torbjorn; Grydeland, Hakon
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Longitudinal Structural Brain Changes in Bipolar Disorder: A Multicenter Neuroimaging Study of 1232 Individuals by the ENIGMA Bipolar Disorder Working Group
err2022-03-01
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errAbe, Christoph; Ching, Christopher R. K.; Liberg, Benny; V. Lebedev, Alexander; Agartz, Ingrid; Akudjedu, Theophilus N.; Alda, Martin; Alnaes, Dag; Alonso-Lana, Silvia; Benedetti, Francesco; Berk, Michael; Boen, Erlend; Bonnin, Caterina del Mar; Breuer, Fabian; Brosch, Katharina; Brouwer, Rachel M.; Canales-Rodriguez, Erick J.; Cannon, Dara M.; Chye, Yann; Dahl, Andreas; Dandash, Orwa; Dannlowski, Udo; Dohm, Katharina; Elvsashagen, Torbjorn; Fisch, Lukas; Fullerton, Janice M.; Goikolea, Jose M.; Grotegerd, Dominik; Haatveit, Beathe; Hahn, Tim; Hajek, Tomas; Heindel, Walter; Ingvar, Martin; Sim, Kang; Kircher, Tilo T. J.; Lenroot, Rhoshel K.; Malt, Ulrik F.; McDonald, Colm; McWhinney, Sean R.; Melle, Ingrid; Meller, Tina; Melloni, Elisa M. T.; Mitchell, Philip B.; Nabulsi, Leila; Nenadic, Igor; Opel, Nils; Overs, Bronwyn J.; Panicalli, Francesco; Pfarr, Julia-Katharina; Poletti, Sara; Pomarol-Clotet, Edith; Radua, Joaquim; Repple, Jonathan; Ringwald, Kai G.; Roberts, Gloria; Rodriguez-Cano, Elena; Salvador, Raymond; Sarink, Kelvin; Sarro, Salvador; Schmitt, Simon; Stein, Frederike; Suo, Chao; Thomopoulos, Sophia I.; Tronchin, Giulia; Vieta, Eduard; Westlye, Lars T.; White, Adam G.; Yatham, Lakshmi N.; Zak, Nathalia; Thompson, Paul M.; Andreassen, Ole A.; Landen, Mikael
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Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation
err2022-01-01
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errSzabo, Attila; O'Connell, Kevin S.; Ueland, Thor; Sheikh, Mashhood A.; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pal; Boye, Birgitte; Boen, Erlend; Drange, Ole Kristian; Elvsashagen, Torbjorn; Engh, John Abel; Hope, Sigrun; Hoegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Naerland, Terje; Steen, Vidar Martin; Sorensen, Kjetil; Wedervang-Resell, Kirsten; Weibell, Melissa Auten; Westlye, Lars T.; Steen, Nils Eiel; Andreassen, Ole; Djurovic, Srdjan
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Diagnosis of bipolar disorders and body mass index predict clustering based on similarities in cortical thickness-ENIGMA study in 2436 individuals
err2021-12-16
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errMcWhinney, Sean R.; Abe, Christoph; Alda, Martin; Benedetti, Francesco; Boen, Erlend; del Mar Bonnin, Caterina; Borgers, Tiana; Brosch, Katharina; Canales-Rodriguez, Erick J.; Cannon, Dara M.; Dannlowski, Udo; Diaz-Zuluaga, Ana M.; Dietze, Lorielle; Elvsashagen, Torbjorn; Eyler, Lisa T.; Fullerton, Janice M.; Goikolea, Jose M.; Goltermann, Janik; Grotegerd, Dominik; Haarman, Bartholomeus C. M.; Hahn, Tim; Howells, Fleur M.; Ingvar, Martin; Kircher, Tilo T. J.; Krug, Axel; Kuplicki, Rayus T.; Landen, Mikael; Lemke, Hannah; Liberg, Benny; Lopez-Jaramillo, Carlos; Malt, Ulrik F.; Martyn, Fiona M.; Mazza, Elena; McDonald, Colm; McPhilemy, Genevieve; Meier, Sandra; Meinert, Susanne; Meller, Tina; Melloni, Elisa M. T.; Mitchell, Philip B.; Nabulsi, Leila; Nenadic, Igor; Opel, Nils; Ophoff, Roel A.; Overs, Bronwyn J.; Pfarr, Julia-Katharina; Pineda-Zapata, Julian A.; Pomarol-Clotet, Edith; Radua, Joaquim; Repple, Jonathan; Richter, Maike; Ringwald, Kai G.; Roberts, Gloria; Ross, Alex; Salvador, Raymond; Savitz, Jonathan; Schmitt, Simon; Schofield, Peter R.; Sim, Kang; Stein, Dan J.; Stein, Frederike; Temmingh, Henk S.; Thiel, Katharina; Thomopoulos, Sophia, I; Haren, Neeltje E. M.; Van Gestel, Holly; Vargas, Cristian; Vieta, Eduard; Vreeker, Annabel; Waltemate, Lena; Yatham, Lakshmi N.; Ching, Christopher R. K.; Andreassen, Ole A.; Thompson, Paul M.; Hajek, Tomas
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Telomeres are shorter and associated with number of suicide attempts in affective disorders
err2021-12-01
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PREAI
errBirkenaes, Viktoria; Elvsashagen, Torbjorn; Westlye, Lars T.; Hoegh, Margrethe C.; Haram, Marit; Werner, Maren C. F.; Quintana, Daniel S.; Lunding, Synve H.; Martin-Ruiz, Carmen; Agartz, Ingrid; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole A.; Aas, Monica
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Heart rate variability is associated with disease severity in psychosis spectrum disorders
err2021-12-01
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errBenjamin, Beatrice R.; Valstad, Mathias; Elvsashagen, Torbjorn; Jonsson, Erik G.; Moberget, Torgeir; Winterton, Adriano; Haram, Marit; Hoegh, Margrethe C.; Lagerberg, Trine, V; Steen, Nils Eiel; Larsen, Lars; Andreassen, Ole A.; Westlye, Lars T.; Quintana, Daniel S.
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