Zhao Yinan, Liao Lulu, Feng Hui, Chen Huijing, Ning Hongting
Xiangya School of Nursing, Central South University, Changsha, Hunan, China.
Xiangya-Oceanwide Health Management Research Institute, Central South University, Changsha, China.
BMC Geriatr. 2022 Jan 3;22(1):1. doi: 10.1186/s12877-021-02658-0.