. 2020 Feb 14;8(2):e14487. doi: 10.2196/14487
©Kwang Yul Jung, SuJin Kim, Kihyung Kim, Eun Ju Lee, Kyunga Kim, Jeanhyoung Lee, Jong Soo Choi, Mira Kang, Dong Kyung Chang, Won Chul Cha. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 14.02.2020.
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