1. Subdivision of Endocrinology, Metabolism and Diabetes, Department of Medicine, Medical Faculty of Diponegoro University and Dr. Kariadi General Hospital, Semarang, Indonesia
2. Department of Medicine, Medical Faculty of Diponegoro University and Dr. Kariadi General Hospital, Semarang, Indonesia
3. Subdivision of Cardiovascular Medicine, Department of Medicine, Medical Faculty of Diponegoro University and Dr. Kariadi General Hospital, Semarang, Indonesia