Central South University - Department of Anesthesiology, Central South University - Department of Anesthesiology, Central South University - Department of Anesthesiology, Central South University - Hunan Province Key Laboratory of Brain Homeostasis, Central South University - Department of Anesthesiology, Central South University - Department of Anesthesiology, Hunan Agricultural University - Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Central South University - Department of Anesthesiology, Imperial College London - Section of Anaesthetics, Pain Management and Intensive Care, Central South University - Department of Anesthesiology and Central South University - Department of Anesthesiology