van Nes, K. A. http://orcid.org/0000-0003-2634-6678
Veerkamp, J. S. J.
Reis, R. http://orcid.org/0000-0001-8249-0856
Article History
Received: 28 September 2017
Accepted: 21 June 2018
First Online: 20 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any invasive studies with human participants or animals performed by any of the authors. 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.