Article History
Received: 26 September 2018
Accepted: 9 February 2019
First Online: 18 February 2019
Compliance with ethical standards
:
: The authors WJB, MMR, TK, and JPJB declare that they have no conflict of interests.
: Ethical approval was obtained by the Regional Medical Ethics Committee and the hospitals Ethics Board.
: 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.
: Informed consent was obtained from all individual participants included in the study.