1. Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3. Medical Research Development Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. Department of Internal Medicine, Faculty of Medicine, University of Indonesia - Cipto Mangunkusumo Hospital, Jakarta Pusat 10430, Indonesia
5. Department of Endocrinology, Royal Devon & Exeter Hospital, University of Exeter Medical School, Exeter, UK
6. Department of Endocrinology and General Internal Medicine, University hospital Brussels, Free UZ Brussels(VUB), Brussels, Belgium
7. Faculty of Medicine and surgery, University of Santo Tomas, Manila, Philippines
8. The First Department of Medicine, Wakayama Medical University, Wakayama, Japan