Institutional affiliations:
Department of Medicine , Endocrinology Division, Diabetes & Endocrinology Center, Escola Paulista de Medicina,Universidade Federal de São Paulo, Brazil.
Corresponding author: Sarah S. Santos, Diabetes Center - Caixa Postal 20266/ CEP: 04022-001 telephone number: +55 11 5571-9826/ 5576-4229 – fax number: 55 11 5579-6636
E-mail address: simaan.sarah@gmail.com