1. Division of Gastroentero-Hepatology, Department of Internal Medical, Dr Kariadi Hospital, Faculty of Medicine, Diponegoro University, Semarang 50275, Indonesia
2. Department of Nutrition Science, Faculty of Medicine, Diponegoro University, Semarang 50275, Indonesia
3. Department of Anatomical Pathology, Faculty of Medicine, Public Health and Nursing, Gadjah Mada University, Yogyakarta 55281, Indonesia
4. Department of Pharmacology and Therapy, Faculty of Medicine, Diponegoro University, Semarang 50275, Indonesia