Article History
First Online: 10 July 2018
Compliance with Ethical Standards
:
: Matthias Pillny, Katarina Krkovic and Tania M. Lincoln declare that they have no conflict of interest including any financial, personal or other relationships with other people or organizations within 3 years of beginning the work submitted that could inappropriately influence, or be perceived to influence, their work.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.