1. Department of Anesthesiology, The First Hospital of Jilin University, Changchun, Jilin, China (mainland)
2. Department of Hand surgery, The First Hospital of Jilin University, Changchun, Jilin, China (mainland)
3. Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
4. MBBS College of Clinical Medicine, Jilin University, Changchun, Jilin, China (mainland)