Frailty Level Prediction in Older Age Using Hand Grip Strength Functions Over Time. - Elsa Pérez; Jose E. Torres Rangel; Marta Musté; Carlos Pérez; Oscar Macho; Francisco S. del Corral Guijarro; Aris Somoano; Cristina Gianella; Luis Ramírez; Andreu Català (IWANN (2), 2021)