. 2021 Apr 26;23(4):e21622. doi: 10.2196/21622
©Rikuta Hamaya, Hiroshi Fukuda, Masaki Takebayashi, Masaki Mori, Ryuji Matsushima, Ken Nakano, Kuniaki Miyake, Yoshiaki Tani, Hirohide Yokokawa. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 26.04.2021.
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