Response to Holm et al., “On the importance of multiple aspects of cluster validation in multimorbidity research”2026-06-170 PRE AI TThamer Ba Dhafari AAlexander Pate GGlen P. Martin JJames Rafferty FFarideh Jalali-najafabadi MMarlous Hall NNiels Peek DOI:10.1016/j.jclinepi.2026.112378OriginalOriginal request for helpShareSaveAbstract En