©Janine Clarke, Samineh Sanatkar, Peter Andrew Baldwin, Susan Fletcher, Jane Gunn, Kay Wilhelm, Lesley Campbell, Nicholas
Zwar, Mark Harris, Helen Lapsley, Dusan Hadzi-Pavlovic, Helen Christensen, Judy Proudfoot. Originally published in the Journal
of Medical Internet Research (http://www.jmir.org), 21.05.2019. This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/)