RT Journal Article SR Electronic T1 Brooke McClelland JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1927 OP E1927 DO 10.1503/cmaj.211954 VO 193 IS 50 A1 Seema Marwaha YR 2021 UL http://www.cmaj.ca/content/193/50/E1927.abstract