1. Research Center of Cleft Lip-Cleft Palate and Craniofacial Deformities, Khon Kaen University in Association with Tawanchai Project, Khon Kaen University, Khon Kaen, Thailand
2. Division of Surgery, Faculty of Medicine, Surgical Nursing Department, Srinagarind Hospital, Khon Kaen University, Khon Kaen, Thailand
3. Divisions of Orthodontics, Faculty of Dentistry, Department of Preventive Dentistry, Khon Kaen University, Khon Kaen, Thailand
4. Division of Plastic and Reconstructive Surgery, Faculty of Medicine, Department of Surgery, Khon Kaen University, Khon Kaen, Thailand