Ratzmann, Anja
Schwahn, Christan
Treichel, Anja
Faltermeier, Andreas
Welk, Alexander
Article History
Received: 11 December 2017
Accepted: 17 September 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee Ärztekammer Mecklenburg-Vorpommern (Reg. Nr.III UV 15/08) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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