1. School of Dentistry, University of Washington; Oral Health Sciences; 1959 Pacific Street NE Seattle WA USA 98195
2. Melaka-Manipal Medical College (Manipal Academy of Higher Education); Department of Community Medicine; Jalan Batu Hampar Bukit Baru Melaka Malaysia 75150
3. Melaka Manipal Medical College; Department of Obstetrics and Gynaecology; Bukit Baru, Jalan Batu Hampar Melaka Malaysia 75150
4. Azienda Ospedaliera-University of Padova; Clinic of Pediatric Hematology-Oncology, Department of Child and Maternal Health; Padova Italy
5. Al Qassimi Hospital; Department of Maxillofacial Surgery; Sharjah United Arab Emirates