Funding for this research was provided by:
Shanghai Shen Kang Hospital Development Center (16CR3117B)
School of Medicine, Shanghai Jiao Tong University (JQ201801)
Received: 21 August 2019
Accepted: 20 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: All of this study complied with the requirement of “The Ethics of Clinical Research” issued by Ministry of Healthy, China. All procedures were in accordance with the ethical standards of “Ethics Committee of Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine” and with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.