1. Section on Clinical, Behavioral and Outcomes Research, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
2. Department of Gerontology, College of Arts, Science and Humanities, University of Sao Paulo, São Paulo, SP, Brazil
3. Centro Universitario Santo Agostinho, Teresina, PI, Brazil
4. Ribeirao Preto College of Nursing, University of Sao Paulo, Ribeirão Preto, SP, Brazil
5. Paulista School of Nursing, Federal University of Sao Paulo, São Paulo, SP, Brazil