[1] EverKeen Med Ctr, Hong Kong, Peoples R China
[2] Skin Oracle, Hong Kong, Peoples R China
[3] Asia Pacific Aesthet Acad, Hong Kong, Peoples R China
[4] Yonsei Univ, Human Identificat Res Inst, Dept Oral Biol, BK21 Project 4,Coll Dent,Div Anat & Dev Biol, 50-1 Yonsei Ro, Seoul 03722, South Korea
[5] Maylin Clin Apgujeong, Seoul 06001, South Korea