1. State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
2. Department of Mechanics, Lanzhou University, Lanzhou 730000, China
3. School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
4. Department of Anesthesiology, Westchester Medical Center, 100 Woods Road, Valhalla, New York 10595, USA