1. Department of Anesthesiology, Suqian First People’s Hospital, Suqian City, Jiangsu Province, China
2. Cancer Institute, The Second Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
3. Department of Anesthesiology, Tai’an Central Hospital, Tai’an City, Shandong Province, China
4. Department of Anesthesiology, Graduate School of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
5. Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China