1. SEGi University; Faculty of Dentistry; No.9 Jalan Teknologi PJU 5, Petaling Jaya Kotadamansara Selengor Malaysia 47810
2. Faculty Of Dentistry, Melaka-Manipal Medical College; Department of Periodontics; Jalan Batu Hampar, Bukit Baru Melaka Malaysia 75150
3. University of Dundee; School of Dentistry; Dundee Scotland UK
4. Faculty of Dentistry, Universidad de la Frontera; Department of Pediatric Dentistry and Orthodontic; Temuco Chile
5. The University of Manchester; Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health; JR Moore Building Oxford Road Manchester UK M13 9PL