About the Authors

Stephen B. Freedman

stephen.freedman@albertahealthservices.ca

Affiliation Sections of Pediatric Emergency Medicine and Gastroenterology, Alberta Children’s Hospital, Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Dion Pasichnyk

Affiliation Alberta Research Centre for Health Evidence, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada

Karen J. L. Black

Affiliation Division of Pediatric Emergency Medicine, BC Children’s Hospital, University of British Columbia, Vancouver, British Columbia, Canada

Eleanor Fitzpatrick

Affiliation IWK Health Centre, Emergency Department, Department of Emergency Medicine, Dalhousie University, Halifax, Nova Scotia, Canada

Serge Gouin

Affiliation Section of Pediatric Emergency Medicine, Centre Hospitalier Universitaire Ste-Justine, Université de Montréal, Montréal, Quebec, Canada

Andrea Milne

Affiliation Alberta Research Centre for Health Evidence, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada

Lisa Hartling

Affiliation Alberta Research Centre for Health Evidence, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada

Pediatric Emergency Research Canada Gastroenteritis Study Group

The complete membership of the Pediatric Emergency Research Canada Gastroenteritis Study Group can be found in the Acknowledgments

Competing Interests

All authors have completed the ICMJE uniform disclosure form at www.icmje.org/coi_disclosure.pdf and declare: Dr. Stephen Freedman acknowledges receiving in-kind study drug/placebo from GlaxoSmithKline, the manufacturer of ondansetron for the conduct of an unrelated study. Dr. Stephen Freedman has received research grant support from Lallemand Health Solutions to study a probiotic agent. All other authors declare no other support from any organization for the submitted work; no financial relationships with any organizations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work. No individuals employed or contracted by the funders (other than the named authors) played any role in: study design, data collection and analysis, decision to publish, or preparation of the manuscript. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SF KB EF SG LH. Performed the experiments: AM SF DP KB EF SG. Analyzed the data: LH DP. Wrote the paper: SF LH. Interpreted the data, critically revised the draft manuscript, and gave final approval of the version to be published: SF DP KB EF SG AM LH.