1. General Surgery Department of Guangdong General HospitalGuangdong Academy of Medical Sciences Guangzhou China
2. Neurological Department of Guangdong General HospitalGuangdong Academy of Medical Sciences Guangzhou China
3. Purdue University Weldon School of Biomedical EngineeringIndiana University School of Medicine, B.S. Biomedical Engineering, Rose‐Hulman Institute of Technology Terre Haute IN USA
4. Gynaecology and Obstetrics Department, Sun Yat‐sen Memorial HospitalSun Yat‐sen University Guangzhou China