Need for comprehensive management of frailty at an individual level: European perspective from the advantage joint action on frailty oleh Branko Gabrovec, Eleftheria Antoniadou, Dagmar Soleymani, Ewa Kadalska, Ana Maria Carriazo, Luz López Samaniego, Péter Csizmadia, Anne Hendry, Olatz Albaina Bacaicoa, Marjetka Jelenc, Špela Selak, Demi Patsios, Konstantinos Stolakis, Manolis Mentis, Fotis Papathanasopoulos, Elias Panagiotopoulos, Leocadia Rodríguez Mañas