1. Division of Hematology, Department of Medicine, Rajavithi Hospital College of Medicine, Rangsit University Bangkok Thailand
2. Department of Clinical Tropical Medicine, Faculty of Tropical Medicine Mahidol University Bangkok Thailand
3. Division of Hematology, Department of Medicine, Faculty of Medicine Chulalongkorn University Bangkok Thailand
4. Research Unit in Translational Hematology, Faculty of Medicine Chulalongkorn University Bangkok Thailand