1 Laboratorio de Investigacao Medica em Envelhecimento (LIM-66), Servico de Geriatria, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil.
2 Research Institute, Hospital Sirio-Libanes, Sao Paulo, Brazil.
3 Department of Medicine, Division of Geriatrics, University of California, San Francisco, San Francisco, California, USA.
4 Geriatrics, Palliative, and Extended Care Service Line, San Francisco Veterans Affairs Medical Center, San Francisco, California, USA.
5 Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California, USA.