Yu, Haixin http://orcid.org/0000-0002-0245-2102
Raut, Janhavi R.
Schöttker, Ben
Holleczek, Bernd
Zhang, Yan
Brenner, Hermann
Funding for this research was provided by:
China Scholarship Council (201606170104)
Article History
Received: 30 January 2020
Accepted: 21 May 2020
First Online: 18 June 2020
Ethics approval and consent to participate
: All participants provided written informed consent. The study was approved by the ethics committees of the University of Heidelberg and of the state medical board of Saarland, Germany.
: Not applicable.
: The authors declare no conflict of interest.