[This corrects the article DOI: 10.2196/11372.].
©Louise Birrell, Nicola C Newton, Tim Slade, Catherine Chapman, Louise Mewton, Nyanda McBride, Leanne Hides, Mary Lou Chatterton, Steve Allsop, Annalise Healy, Marius Mather, Catherine Quinn, Cathrine Mihalopoulos, Maree Teesson. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 26.09.2019.