Received: 1 August 2019
Accepted: 10 October 2019
First Online: 11 November 2019
Ethics approval and consent to participate
: The study was approved by the Independent Ethics Committee of the East China Normal University on Human Research (Project No. HR 062–2018) and Shanghai Ninth People’s Hospital (Project No. 2016–44-T1). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.