Gilfrich, Christian
Maurer, Odilo
Spachmann, Philipp J.
Dombrowski, Mirja K.
Burger, Maximilian
May, Matthias http://orcid.org/0000-0003-3896-0405
Article History
Received: 23 July 2018
Accepted: 2 August 2018
First Online: 11 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments. Informed consent was affirmed from all individual participants included in the study and ethical committee approval was obtained (BLAEK-EC No. 13012).