1. College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, P. R. China
2. Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, P. R. China
3. School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
4. Nursing Department, The Third Xiangya Hospital, Central South University, Changsha 410000, P. R. China