1. School of Information and Communications Engineering, Xi’an Jiaotong University, Shaanxi, Xi’an, China
2. School of Software Engineering, Xi’an Jiaotong University, Shaanxi, Xi’an, China
3. Department of Radiology, Mayo Clinic, Rochester, MN, USA
4. Center for Hypergravity Experimental and Interdisciplinary Research, Zhejiang University, Hangzhou, Zhejiang, China