[1] Univ Fed Rio Grande do Sul, Postgrad Program Med Sci Endocrinol, Rua Ramiro Barcelos 2350,Predio 12,4 Andar, BR-90035003 Porto Alegre, RS, Brazil
[2] Pontificia Univ Catolica Rio Grande do Sul, Hosp Sao Lucas, Internal Med Dept, Porto Alegre, RS, Brazil
[3] Pontificia Univ Catolica Rio Grande do Sul, Sch Med, Ave Ipiranga 6681, BR-90160092 Porto Alegre, RS, Brazil
[4] Univ Fed Rio Grande do Sul, Postgrad Program Epidemiol, Rua Ramiro Barcelos 2350,Predio 12,4 Andar, BR-90035003 Porto Alegre, RS, Brazil
[5] AssociacAo Apoio Aos Diabet Rio Grande AADIRS, Porto Alegre, RS, Brazil
[6] Hosp Clin Porto Alegre, Div Endocrinol, Porto Alegre, RS, Brazil
[7] Natl Inst Sci & Technol Hlth Technol Assessment I, Porto Alegre, RS, Brazil
[8] Pontificia Univ Catolica Rio Grande do Sul, Grad Program Med & Hlth Sci, Ave Ipiranga 6681, BR-90160092 Porto Alegre, RS, Brazil