Written by
Rodriguez-Mañas L, Laosa O, Vellas B, Paolisso G, Topinkova E, Oliva-Moreno J, Bourdel-Marchasson I, Izquierdo M, Hood K, Zeyfang A, Gambassi G, Petrovic M, Hardman TC, Kelson MJ, Bautmans I, Abellan G, Barbieri M, Peña-Longobardo LM, Regueme SC, Calvani R, De Buyser S, Sinclair AJ; European MID-Frail Consortium.