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 InternalRef removed. 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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