Funding for this research was provided by:
Shanghai Municipal Commission of Health and Family Planning (2015ZB0504)
Received: 1 March 2018
Accepted: 18 January 2019
First Online: 11 February 2019
Ethics approval and consent to participate
: This RCT has been approved by the Ethics Committee of Shanghai Municipal Hospital of Traditional Chinese Medicine (2017SHL-KY-05). The purpose, procedures, and potential risks of the RCT will be explained to the participants. All participants will give their written informed consent before joining the RCT.
: All the participants whose identifiable details are included in the manuscript approved the final manuscript and consent for publication.
: The authors declare that they have no competing interests.
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