1. Guizhou University of Traditional Chinese Medicine, No. 50, Shidong Rd., Nanming District, Guiyang City, Guizhou Province 550001, China
2. Dermatology Department, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, No. 71, Baoshan North Rd., Yunyan District, Guiyang City, Guizhou Province 550002, China
3. Ethnic Medicine, Qiannan Traditional Chinese Medicine Hospital, No. 32 Jianjiang Middle Rd., Duyun City, Guizhou Province 558000, China