Eli Johnson; Rafael De la Garza Ramos; Rapaële Charest-Morin; Scott L Zuckerman; Ilya Laufer; Nicholas Dea; Arjun Sahgal; Laurence Rhines; Ziya L Gokaslan; Chetan Bettegowda; Anne L Versteeg; Hanbo Chen; Netzer Cordula; Daniel Sciubba; John E O’Toole; Michael G Fehlings; Naresh Kumar; Alexander C Disch; Byron Stephens; Tony Goldschlager; Michael Weber; John Shin; AO Spine Knowledge Forum Tumor; C Rory Goodwin