[1] Sichuan Nursing Vocat Coll, Dept Med Technol, 173 Longdu South Rd, Chengdu 610100, Sichuan, Peoples R China
[2] Chengdu Second Peoples Hosp, Dept Dermatovenereol, Chengdu, Sichuan, Peoples R China
[3] Ningbo 2 Hosp, Dept Plast Surg, Ningbo, Zhejiang, Peoples R China
[4] Shenyang Seventh Peoples Hosp, Dept Dermatol Surg, 13 Dongwei Rd, Shenyang 110003, Liaoning, Peoples R China