TĂ©oule, Patrick http://orcid.org/0000-0003-2280-0271
Seyfried, Steffen
Joos, Andreas
Bussen, Dieter
Herold, Alexander
Article History
Accepted: 22 May 2018
First Online: 29 May 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Informed consent was obtained from all individual participants included in the study.