Achenbach, Leonard http://orcid.org/0000-0002-9053-0624
Krutsch, Werner
Koch, Matthias
Zeman, Florian
Nerlich, Michael
Angele, Peter
Article History
Received: 16 April 2018
Accepted: 1 October 2018
First Online: 12 October 2018
Compliance with ethical standards
:
: All authors declare no conflict of interest for this study.
: The study design was approved by the Ethics Committee of the University of Regensburg (ID 17-895-101).
: Informed written consent was obtained from all study participants and their parents.