Principal investigator: Tu J Co-investigators: Austin P, Ko D, Lee D, Stukel T, Alter D, Atzema C, Bhatia R, Booth G, Garg A, Gershon A, Glazier R, Hillmer M, Hogg W, Kapral M, Lewis M, Manuel D, Palmer L, Tu K, Walton N, Wijeysundera H, You J
Principal investigator: Redelmeier D Co-investigators: Laskin C, Librach C, Udell J
Principal investigator: Fowler R Co-investigators: Heyland D, Kozak J, Rockwood K, Rubenfeld G, Scales D, Stukel T, Wunsch H
Principal investigator: Baxter N Co-investigators: Brezden-Masley C, Hicks L, Kim S, Paterson M, Sutradhar R, Urbach D
Principal investigator: Lee D Co-investigators: Alter D, Austin P, Borgundvaag B, Brehaut J, Edmonds M, Friedman S, Grimshaw J, Lee J, Schull M, Stukel T, Tu J, Wijeysundera H