1. Division of Endocrinology, Metabolic Disorders and Diabetes, Department of Internal Medicine, Padjadjaran University, Bandung, West Java, Indonesia
2. Department of Internal Medicine, Faculty of Medicine, Pelita Harapan University, Karawaci, Tangerang, Indonesia
3. Faculty of Medicine, Pelita Harapan University, Karawaci, Tangerang, Indonesia
4. Division of Endocrinology, Metabolic Disorders and Diabetes, Department of Internal Medicine, Udayana University, Denpasar, Bali, Indonesia