Parren, Lizelotte J. M. T.
Giehl, Kathrin
van Geel, Michel
Frank, Jorge
Article History
Received: 20 April 2018
Revised: 18 June 2018
Accepted: 2 July 2018
First Online: 4 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.