Funding for this research was provided by:
Shanghai Municipal Commission of Science and Technology (18DZ2260200)
Received: 16 March 2020
Accepted: 8 June 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: The study was conducted according to the World Medical Association Declaration of Helsinki in 1975, as revised in 1983, and was approved by the Ethic Committee of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital (Trial registration number: ChiCTR1900025714). All subjects provided their informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.