1. Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
2. Hematology and Transfusion Science Research Center, Walailak University, Nakhon Si Thammarat 80160, Thailand
3. Department of Global Health, National Centre for Epidemiology and Population Health, College of Health and Medicine, Australian National University, Canberra, ACT 2601, Australia
4. Department of Protozoology, Faculty of Tropical Medicine, Mahidol University, Bangkok 73170, Thailand