1. Department of Medicine, McMaster University, Hamilton, Ontario, Canada
2. Department of Health Research Methods, Evidence & Impact, McMaster University, Hamilton, Ontario, Canada
3. The Research Institute of St Joe’s Hamilton, Hamilton, Ontario, Canada
4. Evidence in Allergy Group, Hamilton, Ontario, Canada
5. Section of Allergy and Immunology, Department of Pediatrics and Child Health, The University of Manitoba, Winnipeg, Manitoba, Canada
6. Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, Maryland
7. Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston
8. Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
9. Section of Allergy and Immunology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
10. Dartmouth Geisel School of Medicine, Hanover, New Hampshire
11. Food Challenge and Research Unit, Section of Allergy and Clinical Immunology, Children’s Hospital Colorado, University of Colorado School of Medicine, Aurora