1. University of British Columbia, BC Children's Hospital; Department of Pediatrics; Vancouver Canada
2. Alberta Children's Hospital; Calgary Canada
3. Community Health Services; Department of Pediatrics; University of Calgary Calgary AB Canada
4. University of Calgary; Libraries and Cultural Resources; 3330 Hospital Dr. NW Calgary Alberta Canada T2N 4N1
5. University of Alberta; Department of Pediatrics; 4-472 ECHA 11405 87 Ave NW Edmonton Alberta Canada T6G 1C9
6. St Mary's Hospital; Department of Paediatrics A&E; South Wharf Road Paddington London UK WC2 1NY
7. Faculty of Medicine, University of Calgary, Alberta Children's Hospital; Department of Pediatrics; 2888 Shaganappi Trail NW Calgary Alberta Canada T3B 6A8