Update on the detection of frailty in older adults: a multicenter cohort machine learning-based study protocol - Fernández-Carnero,S.; Martínez-Pozas,O.; Pecos-Martín,D.; PardoGómez,A.; Cuenca-Zaldívar,J.N.; Sánchez-Romero,E.A. (Aging, 2025)