1. School of Public Health and Preventive Medicine, Faculty of Medicine, Nursing and Health Sciences, Monash University , Melbourne, Victoria , Australia
2. Division of Sports Science and Physical Education, Tsinghua University , Beijing , China
3. School of Social Sciences, Tsinghua University , Beijing , China
4. Department of Neurosurgery, The Second Xiangya Hospital, Central South University , Changsha , China
5. Hunan Cerebrospinal Vascular Disease Diagnosis and Treatment Centre, The Second Xiangya Hospital, Central South University , Changsha , China