1. Department of Oral Health Sciences; School of Dentistry, University of Washington; Seattle Washington USA
2. Department of Community Medicine; Melaka-Manipal Medical College (Manipal Academy of Higher Education); Melaka Malaysia
3. Department of Obstetrics and Gynaecology; Melaka-Manipal Medical College, Manipal Academy of Higher Education (MAHE); Melaka Malaysia
4. Clinic of Pediatric Hematology-Oncology, Department of Child and Maternal Health; Azienda Ospedaliera-University of Padova; Padova Italy
5. Department of Maxillofacial Surgery; Al Qassimi Hospital; Sharjah United Arab Emirates