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Authors
Fan, Xiaojing http://orcid.org/0000-0002-6704-0678
Kumar, Meghan Bruce
Zhou, Zhongliang
Lee, Ching-Hung
Wang, Duolao
Liu, Haixia
Dang, Shaonong
Gao, Jianmin
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Funding
Funding for this research was provided by:
Postdoctoral Research Foundation of China (2019M653684)
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Article History
Received: 12 December 2019
Accepted: 24 April 2020
First Online: 19 June 2020
Ethics approval and consent to participate
: In this study, verbal informed consent was obtained by surveyors from each participant before the investigation. Before investigation, the Shaanxi Health Commission delivered a document, and guiders from the sample counties would contact each participant who agreed to accept the interview, and make an appointment with them. The surveyors then went to the participants’ house and collected information in questionnaire, which means if we have the participant’s questionnaire, we have got the participant’ consent. This method of consent was approved by the Ethics Committee of Xi’an Jiaotong University, the approval number were 2014–204 and 2015–644 separately. It conformed to the ethics guidelines of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
