. 2015 Apr 17;3(2):e37. doi: 10.2196/mhealth.3942
©Joanne Lim, Garth Cloete, Dustin T Dunsmuir, Beth A Payne, Cornie Scheffer, Peter von Dadelszen, Guy A Dumont, J Mark Ansermino. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 17.04.2015.
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Figure 3.
Redesign of the on-screen keypads: (a) & (b) two evolutions of the number pads; (c) & (d) two evolutions of the keypad.