Frailty and its relationship to mortality among older adults from a Brazilian community: a cohort study - Diniz, Marina Aleixo; Rodrigues, Rosalina Aparecida Partezani; Fhon, Jack Roberto Silva; Haas, Vanderlei José; Fabrício-Wehbe, Suzele Cristina Coelho; Giacomini, Suelen Borelli Lima; Almeida, Vanessa Costa (Journal of Clinical Gerontology and Geriatrics, 2018)