1. Department of Orthodontics & Dentofacial Orthopaedics, Chettinad Dental College and Research Institute, Kancheepuram, Tamil Nadu, India
2. Department of Orthodontics & Dentofacial Orthopaedics, Tamil Nadu Government Dental College and Hospital, Chennai, Tamil Nadu, India
3. Directorate of Medical and Rural Health Services, Madhurandagam Government Hospital, Chengalpattu, Tamil Nadu, India