Brieger, Steven A.
Terjesen, Siri A.
HechavarrÃa, Diana M.
Welzel, Christian
Article History
Received: 15 June 2017
Accepted: 17 October 2018
First Online: 5 November 2018
Compliance with Ethical Standards
:
: All four co-authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study, from the respective datasets.