Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China. General Hospital of Northern Theater Command, Shenyang, China. Xuzhou Central Hospital, Xuzhou, China. Tianjin Huanhu Hospital, Tianjin, China. Pingxiang People's Hospital, Pingxiang, China. Fourth Affiliated Hospital of Harbin Medical University, Harbin, China. First Bethune Hospital of Jilin University, Changchun, China. Second Affiliated Hospital of Nanjing Medical University, Nanjing, China. Lishui Municipal Central Hospital, Lishui, China. First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China. Dalian Municipal Central Hospital, Dalian, China. Huangshi Central Hospital, Huangshi, China. Affiliated Hospital of Xuzhou Medical University, Xuzhou, China. Jiangxi Provincial People's Hospital affiliated to Nanchang University, Nanchang, China. Jinan Central Hospital, Jinan, China. Hengshui People's Hospital (Harrison International Peace Hospital), Hengshui, China. Xuan Wu Hospital, Capital Medical University, Beijing, China. Shaanxi Provincial People's Hospital, Xi'an, China. Peking University First Hospital, Beijing, China. Seventh Medical Center of the Chinese PLA General Hospital, Beijing, China. Xiangya Hospital Central South University, Changsha, China. Beijing Hospital, Beijing, China. Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China. pumchcuily@sina.com.