. 2020 Nov 19;4(11):e21577. doi: 10.2196/21577
©Yvonne JG Korpershoek, Tjitske Holtrop, Sigrid CJM Vervoort, Lisette Schoonhoven, Marieke J Schuurmans, Jaap CA Trappenburg. Originally published in JMIR Formative Research (http://formative.jmir.org), 19.11.2020.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Formative Research, is properly cited. The complete bibliographic information, a link to the original publication on http://formative.jmir.org, as well as this copyright and license information must be included.