Yu, Yiming
Abudula, Maidinaimu
Li, Chaofen
Chen, Zhongbo
Zhang, Yun
Chen, Yichen http://orcid.org/0000-0001-5726-9383
Funding for this research was provided by:
Natural Science Foundation of Ningbo (2017A610161, 2018A610271)
Zhejiang Province Public Welfare Technology Application Research Project (LGF19H040003)
Article History
Received: 20 June 2019
Accepted: 27 September 2019
First Online: 12 October 2019
Ethics approval and consent to participate
: Each participating hospital obtained an ethics approval from the Human Research Ethics Committee.
: Not applicable.
: No competing interests.