1. Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
2. Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
3. Center of Metabolic Disease Research, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China