1. Department of Anesthesiology and Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China.
2. Dermatological Department, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, China.
3. Medical School, Kunming University of Science and Technology, Kunming, China.
4. The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China.