1. Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
2. Key Laboratory of Environment and Genes Related to Diseases (Xi’an Jiaotong University), Ministry of Education of China, Xi’an 710061, China
3. Key Laboratory of Education Ministry for Modern Design Rotor-Bearing System, Xi’an Jiaotong University, Xi’an 710049, China
4. School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China