Li, Jian http://orcid.org/0000-0003-2614-4291
Bidlingmaier, Martin
Petru, Raluca
Pedrosa Gil, Francisco
Loerbroks, Adrian
Angerer, Peter
Funding for this research was provided by:
German Medical Association
Bavarian Chamber of Doctors
Marburger Bund
Munich Center of Health Sciences
Article History
Received: 5 April 2018
Accepted: 11 July 2018
First Online: 14 August 2018
Ethics approval and consent to participate
: The study was approved by the Committee on Ethics of Human Research of the Medical Faculty, Ludwig-Maximilians University Munich (No. 016/04), and participants signed a letter of informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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