. 2014 Oct 21;2(4):e42. doi: 10.2196/mhealth.3799
©Kristin Illiger, Markus Hupka, Ute von Jan, Daniel Wichelhaus, Urs-Vito Albrecht. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 21.10.2014.
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Figure 2.
Availability/ownership of mobile devices within different age cohorts.