[1] Brigham & Womens Hosp, Dermatol, 75 Francis St, Boston, MA 02115 USA
[2] Shanghai Jiao Tong Univ, Dept Plast & Reconstruct Surg, Dept Laser & Aesthet Med, Shanghai Peoples Hosp 9,Sch Med, Shanghai, Peoples R China
[3] Shanghai 9th Peoples Hosp, Dept Plast & Reconstruct Surg, Shanghai, Peoples R China