Disease-Course Adapting Machine Learning Prognostication Models in Elderly Patients Critically Ill With COVID-19: Multicenter Cohort Study With External Validation - Christian Jung; Behrooz Mamandipoor; Jesper Fjølner; Raphael Romano Bruno; Bernhard Wernly; Antonio Artigas; Bernardo Bollen Pinto; Joerg C Schefold; Georg Wolff; Malte Kelm; Michael Beil; Sigal Sviri; et al. (JMIR Medical Informatics, 2022)