1. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
2. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, Anhui 230031, China
3. Department of Dermatology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
4. Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, Hefei 230026, China