1. Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China.
2. Department of Intensive Care Unit, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
3. The Dermal and Venereal Department, Xuzhou Central Hospital, Xuzhou, China.
4. The Dermal and Venereal Department, The Third Affiliated Hospital of Suzhou University, Changzhou, China.