1. Laboratory of Human Pancreatic Islet Biology; Endocrine Division, Hospital de Clínicas de Porto Alegre; Porto Alegre Rio Grande do Sul Brazil
2. Postgraduate Program in Medical Sciences, Endocrinology, Faculty of Medical Sciences, Universidade Federal do Rio Grande do Sul; Porto Alegre Rio Grande do Sul Brazil
3. School of Biomedical Sciences; Curtin Health Innovation Research Institute-Biosciences, Curtin University; Perth Western Australia Australia
4. Biosciences Faculty; Pontificia Universidade Catolica do Rio Grande do Sul; Porto Alegre Rio Grande do Sul Brazil