1. Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230601, P.R. China
2. Department of Orthopaedics, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China
3. The Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P.R. China
4. Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, P.R. China
5. Teaching and Research Section of Nuclear Medicine, Anhui Medical University, Hefei, Anhui 230032, P.R. China