1. Blood Transfusion Center, Faculty of Medicine Khon Kaen University Khon Kaen Thailand
2. The Centre for Research and Development of Medical Diagnostic Laboratories, Faculty of Associated Medical Sciences Khon Kaen University Khon Kaen Thailand
3. Department of Clinical Immunology and Transfusion Sciences, Faculty of Associated Medical Sciences Khon Kaen University Khon Kaen Thailand
4. Biomedical Sciences Program, Faculty of Graduate School Khon Kaen University Khon Kaen Thailand
5. Internal Medicine Department, Faculty of Medicine Khon Kaen University Khon Kaen Thailand