[1] Univ South China, Affiliated Hosp 1, Ctr Burn & Plast & Wound Healing Surg, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China
[2] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Dept Obstet & Gynecol, Hengyang, Hunan, Peoples R China
[3] Cent South Univ, Xiangya Hosp 3, Dept Plast & Reconstruct Surg, Changsha, Peoples R China