. 2021 Mar 12;23(3):e22564. doi: 10.2196/22564
©Janet Yuen-Ha Wong, Wen Zhang, Yongda Wu, Edmond Pui Hang Choi, Herman Hay Ming Lo, Wendy Wong, Jasmine Hin Man Chio, Hau Lin Cherry Tam, Fei Wan Ngai, Marie Tarrant, Man Ping Wang, Hextan Yuen-Sheung Ngan, Daniel Yee-Tak Fong. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 12.03.2021.
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Figure 3.
CONSORT flow diagram.