1. Anticlock Clinic, Chandigarh, India
2. Department of Plastic Surgery, Fortis Hospital, Mohali, Punjab, India
3. The Medical School, Newcastle University, Newcastle Upon Tyne, United Kingdom
4. Department of Maxillo-Facial Surgery, University of Verona, Verona, Italy
5. Department of Maxillofacial Plastic Surgery Unit, Policlinico G.B. Rossi, Verona, Italy