Funding for this research was provided by:
Samenwerkingsverband Noord-Nederland (T2017)
Text and Data Mining valid from 2018-09-05
Received: 23 February 2018
Accepted: 29 May 2018
First Online: 5 September 2018
Ethics approval and consent to participate
: The study was approved by the local ethics committee and written informed consent was waived.
: Consent for publication has been provided by the volunteer pictured in Fig. InternalRef removed and by the volunteer whose feedback is presented in Figs. InternalRef removed and InternalRef removed.
: The authors declare that they have no competing interests.
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