1. Department of Anesthesiology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
2. Department of Anesthesiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, Fujian, People’s Republic of China
3. Department of Neurology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China