1. Department of Medical Administration; Shengjing Hospital; China Medical University; Shenyang; China
2. Department of Anaesthesia; Shengjing Hospital; China Medical University; Shenyang; China
3. Centre for Medical and Health Sciences Education; Faculty of Medical and Health Sciences; University of Auckland; Auckland; New Zealand
4. Department of Orthopaedic Surgery; Shengjing Hospital; China Medical University; Shenyang; China
5. Institute Office; Shengjing Hospital; China Medical University; Shenyang; China