1 Department of Anesthesiology, Peking University Third Hospital, Beijing, 100083, China.
2 Laboratory of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, 510006, China.
3 Laboratory of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, 510006, China. 2017010064@m.scnu.edu.cn.
4 Department of Neurology, Louisiana State University Health Sciences Center, Shreveport, LA, 71103, USA. luodan.yang@lsuhs.edu.