Boerboom, Saskia L http://orcid.org/0000-0002-2278-1835
de Haes, Ann
vd Wetering, Lianne
Aarts, Edo O
Janssen, Ignace M.C.
Geurts, Jose W
Kamphuis, Ed T
Article History
First Online: 20 June 2018
Compliance with Ethical Standards
: This manuscript adheres to the CONSORT guidelines [CitationRef removed]. This trial has been registered in the European Clinical Trials Database, number 2012-002618-38 and has been approved by both the national and local ethics committee (NL40740.091.12).
: 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 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.