1. Department of Gastrointestinal Surgery; China-Japan Union Hospital of Jilin University; Changchun China
2. Department of Breast Surgery; The Second Hospital of Jilin University; Changchun China
3. Department of General Surgery; China-Japan Union Hospital of Jilin University; Changchun China
4. Department of Breast-Thyroid Surgery; The Second Hospital of Jilin University; Changchun China
5. Department of Neurosurgery; China-Japan Union Hospital of Jilin University; Changchun China