Published on in Vol 8, No 8 (2020): August
                                    Preprints (earlier versions) of this paper are
                                    available at
                                    https://preprints.jmir.org/preprint/19870, first published
                                    .
                                

1 Centre for Smart Health, School of Nursing, The Hong Kong Polytechnic University, Kowloon, China (Hong Kong)
2 Murdoch University, Western Australia, Australia
3 School of Nursing, The Hong Kong Polytechnic University, Kowloon, China (Hong Kong)
