1 Aeon Medical and Aesthetic Centre, Singapore, Singapore.
2 Maylin Clinic (Chungdam), Seoul, Republic of Korea.
3 Maylin Clinic (Apgujeong), Seoul, Republic of Korea.
4 Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Institute, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Republic of Korea.