1. Department of Burns and Cutaneous Surgery , Xijing Hospital, , 127 West Changle Road, Xi'an, 710032 , China
2. Fourth Military Medical University , Xijing Hospital, , 127 West Changle Road, Xi'an, 710032 , China
3. Department of Plastic Surgery , Shanghai East Hospital, , 150 Jimo Road, Shanghai, 200120 , China
4. Tongji University School of Medicine , Shanghai East Hospital, , 150 Jimo Road, Shanghai, 200120 , China
5. Department of Burns and Plastic Surgery, General Hospital of Ningxia Medical University , 804 South Shengli Street, Yinchuan, 750004 , China
6. Department of Dermatology , Xijing Hospital, , 127 West Changle Road, Xi'an, 710032 , China
7. Department of hair diagnosis and treatment, Peking University Shougang Hospital , 9 Jinyuanzhuang Road, Beijing, 100144 , China