. 2014 May 12;2(2):e22. doi: 10.2196/mhealth.3114
©Saranath Lawpoolsri, Amnat Khamsiriwatchara, Wongwat Liulark, Komchaluch Taweeseneepitch, Aumnuyphan Sangvichean, Wiraporn Thongprarong, Jaranit Kaewkungwal, Pratap Singhasivanon. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 12.05.2014.
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Figure 1.
Study area (highlighted area), Ladkrabang district of Bangkok, Thailand.