Chang, Ruijie
Wang, Huwen
Zhang, Shuxian
Wang, Zezhou
Dong, Yinqiao
Tsamlag, Lhakpa
Yu, Xiaoyue
Xu, Chen
Yu, Yuelin
Long, Rusi
Liu, Ning-Ning
Chu, Qiao
Wang, Ying
Xu, Gang
Shen, Tian
Wang, Suping
Deng, Xiaobei
Huang, Jinyan
Zhang, Xinxin
Wang, Hui
Cai, Yong
Article History
Received: 12 March 2020
Accepted: 14 March 2020
First Online: 31 March 2020
Compliance with ethics guideline
: Ruijie Chang, Huwen Wang, Shuxian Zhang, Zezhou Wang, Yinqiao Dong, Lhakpa Tsamlag, Xiaoyue Yu, Chen Xu, Yuelin Yu, Rusi Long, Ning-Ning Liu, Qiao Chu, Ying Wang, Gang Xu, Tian Shen, Suping Wang, Xiaobei Deng, Jinyan Huang, Xinxin Zhang, Hui Wang, and Yong Cai declare no competing interests. The data sets analyzed for this study can be found in the reports of the National Health Commission of the People’s Republic of China (NHC) (ExternalRef removed). This manuscript does not involve a research protocol requiring approval by the relevant institutional review board or ethics committee.
Free to read: This content has been made available to all.