[1] Tokyo Womens Med Univ, Dept Plast & Reconstruct Surg, Shinjuku Ku, Tokyo 1628666, Japan
[2] Chinese Univ Hong Kong, Dept Med Therapeut & Pediat, Hong Kong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Dept Med, Div Dermatol, Hong Kong, Hong Kong, Peoples R China
[4] La Jolla Cosmet Surg Ctr, Div Cosmet Dermatol, La Jolla, CA USA