1 Department of Internal Medicine, Medical School, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil.
2 Neuroendocrine Unit, Division of Endocrinology and Metabolism, Hospital das Clínicas, University of Sao Paulo Medical School, São Paulo, São Paulo, Brazil.
3 Endocrine Division (SEMPR), Department of Internal Medicine, Federal University of Parana, Curitiba, Brazil.
4 Department of Internal Medicine, Medical School, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil. vania.nunes-nogueira@unesp.br.