©Janey Sewell, Andrew Speakman, Andrew N Phillips, Fiona C Lampe, Ada Miltz, Richard Gilson, David Asboe, Nneka Nwokolo, Christopher Scott, Sara Day, Martin Fisher, Amanda Clarke, Jane Anderson, Rebecca O'Connell, Vanessa Apea, Rageshri Dhairyawan, Mark Gompels, Paymaneh Farazmand, Sris Allan, Susan Mann, Jyoti Dhar, Alan Tang, S Tariq Sadiq, Stephen Taylor, Simon Collins, Lorraine Sherr, Graham Hart, Anne M Johnson, Alec Miners, Jonathan Elford, Alison Rodger. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 18.04.2016.
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