Funding for this research was provided by:
Shanghai Minhang Science and Technology Commission (16411952000)
the Foundation of Shanghai Science and Technology Committee (16411952000)
Text and Data Mining valid from 2020-03-19
Received: 9 July 2019
Accepted: 30 December 2019
First Online: 19 March 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Zhongshan Hospital Ethics Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: All the authors listed have read through the manuscript and approved for the submission. All authors have contributed to and agreed on the content of the manuscript.
: The authors declare that they have no competing interests.