Department of Anesthesiology;
Shenzhen Baoan Hospital Affiliated to Southern Medical University;
Shenzhen 518100;
China;
Department of Anesthesiology;
Union Hospital;
Tongji Medical College;
Huazhong University of Science and Technology;
Wuhan 430022;
China;
Department of Anesthesiology;
Shenzhen People's Hospital;
Shenzhen 518020;
China;