1. Department of Plastic Surgery Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
2. Department of Cardiovascular Surgery Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
3. Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine Friedrich Alexander University Erlangen‐Nuernberg Erlangen Germany