1. Department of Head and Neck Surgery; Third Affiliated Hospital of Harbin Medical University; People's Republic of China
2. Tissue Repair and Engineering Laboratory; Harbin Medical University; People's Republic of China
3. Department of Dermatology; University of Lübeck; Germany
4. Department of Hand and Plastic Surgery; Second Affiliated Hospital of Wenzhou Medical College; Zhejiang People's Republic of China
5. Department of Plastic Surgery; Second Affiliated Hospital of Harbin Medical University; People's Republic of China
6. Department of Cell Biology; Harbin Medical University; People's Republic of China