1. University of Western Ontario; Department of Medicine; 268 Grosvenor Street London ON Canada N6A 4V2
2. University of Tennessee at Chattanooga; Department of Pediatrics; 910 Blackford St Chattanooga Tennessee USA 37405
3. Ottawa Hospital Research Institute (OHRI), The Ottawa Hospital - General Campus; Centre for Practice-Changing Research (CPCR); 501 Smyth Road, Box 711 Ottawa ON Canada K1H 8L6
4. University of Ottawa; Bruyère Research Institute; 43 Bruyère St Annex E, room 213 Ottawa ON Canada K1N 5C8
5. University of Ottawa; Department of Epidemiology and Community Medicine; Room H1281 40 Ruskin Street Ottawa ON Canada K1Y 4W7
6. Faculty of Medicine, University of Ottawa; Department of Medicine; Ottawa ON Canada K1H 8M5
7. University of Western Ontario; Department of Medicine and Epidemiology and Biostatistics; St. Joseph's Health Care 268 Grosvenor St London ON Canada N6A 4V2