1The Centre for Research and Development of Medical Diagnostic Laboratories, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand
2The Centre for Research & Development of Medical Diagnostic Laboratories, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand
3bDepartment of Immunology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
4cLondon School of Hygiene and Tropical Medicine, London, United Kingdom
5dRoslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
6#N#eDepartment of Immunology, National Institute of Infectious Diseases, Tokyo, Japan