1. Department of Surgery, Universidade Federal do Paraná–UFPR, Curitiba, Brazil.
2. Diabetes and Obesity Research Laboratory, IDIBAPS, Barcelona, Spain.
3. CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Madrid, Spain.
4. Hospital das Clinicas Faculdade de Medicina, Universidade de São Paulo–USP, Sao Paulo, Brazil.
5. Department of Biology, Universidade Estadual de Ponta Grossa, Ponta Grossa, Brazil.
6. Instituto de Pesquisa Aplicada em Medicina–INSPAM, Ponta Grossa, Brazil.
7. Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá/UEM, Maringá, Brazil.