Zhengzhou University - Department of Anesthesiology and Perioperative Medicine, Zhengzhou University - Department of Anesthesiology and Perioperative Medicine, Zhengzhou University - Department of Anesthesiology and Perioperative Medicine, Zhengzhou University - Department of Anesthesiology and Perioperative Medicine, Chinese Academy of Medical Sciences - Department of Anesthesiology, University of International Business and Economics (UIBE) - School of Statistics and Fu Jen Catholic University - Graduate Institute of Business Administration