Department of Anesthesiology, First Affiliated Hospital of Henan University, Kaifeng, Henan, 475000, China;
Department of Anesthesiology, First Affiliated Hospital of Henan University, Kaifeng, Henan, 475000, China;
Department of Anesthesiology, First Affiliated Hospital of Henan University, Kaifeng, Henan, 475000, China;
Department of Anesthesiology, First Affiliated Hospital of Henan University, Kaifeng, Henan, 475000, China;
Department of Anesthesiology, First Affiliated Hospital of Henan University, Kaifeng, Henan, 475000, China;