1. Department of Plastic Surgery, Peking Union Medical College Hospital, Beijing, China
2. Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
3. Department of Radiology, Traditional Chinese Medicine Hospital of Huangdao district of Qingdao, Shandong, China
4. Department of Planned Immunity, Changjianglu Community Health Center of the West Coast New Area, Qingdao, China
5. College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
6. International Education College, Beijing Vocational College of Agriculture, Beijing, China