RT Journal Article SR Electronic T1 How “digital therapeutics” differ from traditional health and wellness apps JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1200 OP E1201 DO 10.1503/cmaj.1095801 VO 191 IS 43 A1 Lougheed, Tim YR 2019 UL http://www.cmaj.ca/content/191/43/E1200.abstract