1. Department of Community Dentistry; Faculty of Dentistry, Khon Kaen University; Khon Kaen Thailand
2. Division of Craniofacial Medicine, Department of Pediatrics, University of Washington, and Center for Child Health, Behavior and Development; Seattle Children's Research Institute; Seattle USA
3. Department of Community Dentistry, Faculty of Dentistry, and Chronic Inflammatory and Systemic Diseases Associated with Oral Health Research Group; Khon Kaen University; Khon Kaen Thailand