© Judith S Gordon, Julie S Armin, Peter Giacobbi Jr, Chiu-Hsieh Hsu, Kari Marano, Christine E Sheffer. Originally published in JMIR Research Protocols. This is an open-access article distributed under the terms of the Creative Commons Attribution License.
Except where otherwise noted, this item's license is described as © Judith S Gordon, Julie S Armin, Peter Giacobbi Jr, Chiu-Hsieh Hsu, Kari Marano, Christine E Sheffer. Originally published in JMIR Research Protocols. This is an open-access article distributed under the terms of the Creative Commons Attribution License.