Botes, Riaan
Vermeulen, Karin M.
Ranchor, Adelita V.
Buskens, Erik
Funding for this research was provided by:
Rijksuniversiteit Groningen
Article History
Received: 30 May 2016
Accepted: 8 January 2018
First Online: 16 January 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the Medical Ethical Committee of the University Medical Center Groningen, attached as Additional file . Written consent was however obtained from each respondent who agreed to take part in the study.
: Not Applicable
: The authors declare that they have no competing interests.
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