Lauretani, F.; Longobucco, Y.; Ferrari Pellegrini, F.; De Iorio, A.M.; Fazio, C.; Federici, R.; Gallini, E.; La Porta, U.; Ravazzoni, G.; Roberti, M.F.; et al. Comprehensive Model for Physical and Cognitive Frailty: Current Organization and Unmet Needs. Front. Psychol. 2020, 11, 569629.
https://doi.org/10.3389/fpsyg.2020.569629.