. 2013 Oct 25;15(10):e230. doi: 10.2196/jmir.2764
©Laura Ashley, Helen Jones, James Thomas, Alex Newsham, Amy Downing, Eva Morris, Julia Brown, Galina Velikova, David Forman, Penny Wright. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 25.10.2013.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.