. 2015 May 13;17(5):e116. doi: 10.2196/jmir.4097
©Daniëlle Volker, Moniek C Zijlstra-Vlasveld, Johannes R Anema, Aartjan TF Beekman, Evelien PM Brouwers, Wilco HM Emons, A Gijsbert C van Lomwel, Christina M van der Feltz-Cornelis. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 13.05.2015.
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