El Sayed, Nihad
Cosgarea, Raluca
Rahim, Sonja
Giess, Natalia
Krisam, Johannes
Kim, Ti-Sun
Article History
Received: 20 May 2019
Accepted: 22 September 2019
First Online: 12 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Institutional Review Board for Human Studies of the Medical Faculty of Heidelberg University (Application# S-132/2009).
: Informed consent was obtained from all individual participants included in the study.