1. Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
2. Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing 210042, P. R. China
3. Department of Pharmacology, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, P. R. China