1 Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada. Electronic address: kstuckless@mun.ca.
2 Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada. Electronic address: pwang@mun.ca.
3 Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada. Electronic address: rprowse@mun.ca.