1. Department of Physiology, China Medical University , No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning province 110122 , People’s Republic of China
2. Department of Anaesthesiology, The People’s Hospital of China Medical University (Liaoning Provincial People’s Hospital), No.33 Wenyi Road, Shenhe Area, Shenyang , Liaoning province 110067 , People’s Republic of China