[1] Mem Univ Newfoundland & Labrador, Fac Med, Ctr Rural Hlth Studies, St John, NL, Canada
[2] Univ British Columbia, Emergency Med Dept, Vancouver, BC, Canada
[3] Mem Univ Newfoundland & Labrador, Fac Med, Hlth Sci Lib, St John, NL, Canada
[4] Mem Univ Newfoundland & Labrador, Fac Med, Discipline Family Med, St John, NL, Canada
[5] Mem Univ Newfoundland, Ctr Rural Hlth Studies, Discipline Family Med, St John, NL, Canada
[6] Mem Univ Newfoundland & Labrador, Fac Med, Ctr Rural Hlth Studies, Dept Family Med,Hlth Sci Ctr, 300 Prince Philip Dr, St John, NL A1B 3V6, Canada