Singh, Tarini
Frings, Christian
Moeller, Birte
Article History
Received: 31 March 2017
Accepted: 19 July 2017
First Online: 22 July 2017
Compliance with ethical standards
:
: Tarini Singh declares that she does not have any conflict of interest. Christian Frings declares that he has no conflict of interest. Birte Moeller declares that she has no conflict of interest.
: All procedures performed in the study involving human participants were in accordance with the institutional ethical standards and in accordance with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.