1. Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
2. Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, Tianjin Key Laboratory of Molecular Recognition and Biosensing, and Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
3. Department of Dermatology, Air Force Medical Center, PLA, Beijing 100142, P. R. China