1 Department of Pediatrics and Child Health, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
2 Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada.
3 Neil John Maclean Health Sciences Library, University of Manitoba, Winnipeg, Manitoba, Canada.
4 The Children's Hospital at Westmead, Sydney, New South Wales, Australia.
5 Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
6 Center for Food Allergy and Asthma Research, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
7 Division of Allergy, Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
8 BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada.
9 Division of Pediatric Allergy, Clinical Immunology and Dermatology, Department of Pediatrics, Montreal Children's Hospital, Montreal, Quebec, Canada.
10 Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.
11 Division of Experimental Medicine, Department of Medicine, School of Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, Quebec, Canada.
12 Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
13 Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA.
14 Division of Allergy and Immunology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
15 Division of Allergy and Immunology, Children's Mercy Kansas City, Kansas City, Missouri, USA.
16 Allergy Centre, Tampere University Hospital, Tampere, Finland.
17 Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
18 Tampere Center for Child, Adolescent and Maternal Health Research, Tampere University, Tampere, Finland.
19 Section of Allergy and Immunology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, Colorado, USA.
20 Department of Allergology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland.
21 Department of Dermatology, Allergology and Venereology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
22 Food Allergy Referral Centre, Department of Women's and Children's Health, University of Padua, Padua, Italy.
23 Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden.
24 Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
25 George and Fay Yee Centre for Healthcare Innovation, Winnipeg, Manitoba, Canada.
26 Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.