. 2019 Sep 26;8(9):e14406. doi: 10.2196/14406
©Gabriele Calaminus, Meriel Jenney, Lars Hjorth, Katja Baust, Mark Bernstein, Stefan Bielack, Patricia De Vos, Pancras C W Hogendoorn, Gordana Jovic, Mark Krailo, Kiana Kreitz, Neyssa Marina, Babasola O Popoola, Cristina Sauerland, Sigbjørn Smeland, Carmen Teske, Clara V Schweinitz, Jeremy Whelan, Andreas Wiener, Matthew R Sydes, Rajaram Nagarajan. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 26.09.2019
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 Research Protocols, is properly cited. The complete bibliographic information, a link to the original publication on http://www.researchprotocols.org, as well as this copyright and license information must be included.