1. Department of Medical Technology, Faculty of Allied Health Sciences, Burapha University, Chonburi, Thailand.
2. Faculty of Associated Medical Sciences, Centre for Research and Development of Medical Diagnostic Laboratories, Khon Kaen University, Khon Kaen, Thailand.
3. College of Medicine and Public Health, Ubon Ratchathani University, Ubon Ratchathani, Thailand.
4. Department of Pathology, Faculty of Medicine, Maha Chakri Sirindhorn Medical Center, Srinakharinwirot University, Nakhon Nayok, Thailand.