Funding for this research was provided by:
Shanghai Science and Technology Commission (18401900300)
Received: 4 October 2019
Accepted: 14 December 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: The Ethical Committee of the Seventh People’s Hospital affiliated to Shanghai University of Traditional Chinese Medicine has approved the ethical approval of this study (reference number 2018-IRBQYYS-012). All participants will provide informed consent. The real names of the participants will not appear in the relevant reports of the trial to protect their privacy.
: Not applicable
: The authors declare that they have no competing interests.