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©Marion A. Maar, Karen Yeates, Zsolt Toth, Marcia Barron, Lisa Boesch, Diane Hua-Stewart, Peter Liu, Nancy Perkins, Jessica Sleeth, Mary Jo Wabano, Pamela Williamson, Sheldon W. Tobe. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 22.01.2016.
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