Jiang, Weixi
Xu, Xiaolin
Tang, Shenglan
Xu, Ling
Zhang, Yaoguang
Elbers, Chris
Cobelens, Frank
Yan, Lijing http://orcid.org/0000-0002-3029-0462
Funding for this research was provided by:
National Health Commission China
Article History
Received: 31 July 2019
Accepted: 29 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Duke University. It was only conducted in China, and the local legislation does not require additional ethics approval in addition to the ethics approval from Duke University. Written informed consent was sought from and signed by all interviewed respondents.
: Anonymized information was used in this manuscript to ensure confidentiality.
: The authors declare that they have no competing interests.