1. Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck 23562, Germany
2. Department of Cardiovascular Surgery, Central Hospital of Dalian University of Technology, Dalian 116089, China
3. Department of Biomaterials, Faculty of Dentistry, University of Oslo, Oslo 0316, Norway
4. Department of Dermatologic Surgery, Shanghai Skin Disease Hospital, Tongji University, Shanghai 200443, P. R. China
5. Department of Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan 450052, P. R. China
6. School of Life Sciences, Henan University, Kaifeng, Henan 475000, P. R. China
7. Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University, Shanghai 201106, P. R. China
8. College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China