1. Department of Dermatology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
2. Department of Pathology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
3. Department of Pharmacology, Toxicology and Neurosciences, LSU Health Sciences Center, Shreveport, LA 71130, USA