Wan-Li Liu1, 2, Xiao-Lei Hu1, 2, Ping-Sheng Xu1, 2*
1Phase Ⅰ Clinical Trial Center, Xiangya Hospital, Central South University, Changsha, PR China, 410008
2National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, PR China, 410008
† These authors contributed equally to this work.
* Corresponding author at: Phase I Clinical Trial Center, Xiangya Hospital, Central South University, Changsha, PR China, 410008.
E-mail address: xps201901@csu.edu.cn (P.S. Xu)