Tao, Wenjuan
Zeng, Wenqi
Yan, Ling
Yang, Huazhen
Wen, Jin
Li, Weimin
Funding for this research was provided by:
National Natural Science Foundation of China (71874115)
Department of Science and Technology of Sichuan Province (2018KZ0046)
Article History
Received: 18 November 2018
Accepted: 20 February 2019
First Online: 28 February 2019
Ethics approval and consent to participate
: This study protocol was approved by the Institutional Review Board (IRB) of West China Hospital in Sichuan University on the 25th of September 2017 (covering the study sites: Chengdu, Deyang, Neijiang, Suining, Guangyuan, ABa). It is an anonymous survey for protecting the privacy of participants. The physicians and patients provided their informed oral consent for their participation, any participant who did not wish to participate was given an opportunity to leave before questionnaire survey started. Participants completed the questionnaire by themselves, except those with low level of education and disability with the help of a field worker.
: Not applicable.
: The authors declare that they have no competing interests.
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