1. Department of Internal Medicine, Dr. Soetomo General Academic Hospital – Faculty of Medicine Airlangga University, Surabaya, Indonesia
2. Endocrinology, Metabolism, and Diabetes Unit, Department of Internal Medicine, Dr. Soetomo General Academic Hospital – Faculty of Medicine Airlangga University, Surabaya, Indonesia
3. Hematology and Medical Oncology Unit, Department of Internal Medicine, Dr. Soetomo General Academic Hospital – Faculty of Medicine Airlangga University, Surabaya, Indonesia