1. EverKeen Medical Centre Hong Kong, Hong Kong
2. Asia‐Pacific Aesthetic Academy Hong Kong, Hong Kong
3. Leciel Medical Centre Hong Kong, Hong Kong
4. Radium Medical Aesthetics Singapore Singapore
5. Division in Anatomy and Developmental Biology, Department of Oral Biology Human Identification Research Institute, BK21 FOUR Project, Yonsei University College of Dentistry Seoul Korea
6. Maylin Clinic (Apgujeong) Seoul Korea