. 2020 Feb 12;22(2):e16932. doi: 10.2196/16932
©Tjalf Ziemssen, Daniela Piani-Meier, Bryan Bennett, Chloe Johnson, Katie Tinsley, Andrew Trigg, Thomas Hach, Frank Dahlke, Davorka Tomic, Chloe Tolley, Mark S Freedman. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 12.02.2020.
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