Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hawley E. Montgomery-Downs and Salvatore P. Insana and Jonathan A. Bond,Movement toward a novel activity monitoring device,Sleep and Breathing,1520-9512,Springer Science and Business Media LLC,2011-10-06,16,3,913-917,https://cir.nii.ac.jp/crid/1360574094661589248,https://doi.org/10.1007/s11325-011-0585-y