1. Zheng Ren, PhD, Jilin University, Changchun, China
2. Yan Sun, MD, RN, Jilin University, Changchun, China; The First Hospital of Qiqihar City, Qiqihar, China
3. Xiangrong Li, PhD, Jilin University, Changchun, China
4. Minfu He, PhD, Jilin University, Changchun, China
5. Hong Shi, PhD, Jilin University, Changchun, China
6. Hanfang Zhao, MD, Jilin University, Changchun, China
7. Yuyu Li, MD, Jilin University, Changchun, China
8. Yajiao Pu, MD, Jilin University, Changchun, China
9. Hongjian Liu, PhD, Jilin University, Changchun, China
10. Xiumin Zhang, PhD, Jilin University, Changchun, China