Accepted for Publication: August 17, 2014.
Published Online: November 17, 2014. doi:10.1001/jamapediatrics.2014.2223.
Study concept and design: Lodha, Seshia, McMillan, Barrington, Lee, Shah.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Lodha, Seshia.
Critical revision of the manuscript for important intellectual content: Lodha, Seshia, McMillan, Barrington, Yang, Shah.
Statistical analysis: Lodha, Yang.
Administrative, technical, or material support: Lodha, Seshia. Shah.
Study supervision: Lodha, Shah.
Group Information: Site investigators for the Canadian Neonatal Network include Prakesh S. Shah, MD, (director, Canadian Neonatal Network); Adele Harrison, MD, Victoria General Hospital, Victoria, British Columbia; Anne Synnes, MD, British Columbia Children’s Hospital, Vancouver, British Columbia; Zenon Cieslak, MD, Royal Columbian Hospital, New Westminster, British Columbia; Todd Sorokan, MD, Surrey Memorial Hospital, Surrey, British Columbia; Wendy Yee, MD, Foothills Medical Centre, Calgary, Alberta; Khalid Aziz, MD, Royal Alexandra Hospital, Edmonton, Alberta; Zarin Kalapesi, MD, Regina General Hospital, Regina, Saskatchewan; Koravangattu Sankaran, MD, Royal University Hospital, Saskatoon, Saskatchewan; Mary Seshia, MD, Winnipeg Health Sciences Centre, Winnipeg, Manitoba; Ruben Alvaro, MD, St Boniface General Hospital, Winnipeg, Manitoba; Sandesh Shivananda, MD, Hamilton Health Sciences Centre, Hamilton, Ontario; Orlando Da Silva, MD, London Health Sciences Centre, London, Ontario; Chuks Nwaesei, MD, Windsor Regional Hospital, Windsor, Ontario; Kyong-Soon Lee, MD, Hospital for Sick Children, Toronto, Ontario; Prakesh Shah, MD, Mount Sinai Hospital, Toronto, Ontario; Michael Dunn, MD, Sunnybrook Health Sciences Centre, Toronto, Ontario; Nicole Rouvinez-Bouali, MD, Children’s Hospital of Eastern Ontario and Ottawa General Hospital, Ottawa, Ontario; Kimberly Dow, MD, Kingston General Hospital, Kingston, Ontario; Lajos Kovacs, MD, Jewish General Hospital, Montréal, Québec; Keith Barrington, MD, Hôpital Sainte-Justine, Montréal, Québec; Bruno Piedboeuf, MD, Centre Hospitalier Universitaire de Québec, Sainte Foy; Patricia Riley, MD, Montréal Children’s Hospital, Montréal, Québec; Daniel Faucher, MD, Royal Victoria Hospital, Montréal, Québec; Valerie Bertelle, MD, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Québec; Rody Canning, MD, Moncton Hospital, Moncton, New Brunswick; Barbara Bulleid, MD, Dr Everett Chalmers Hospital, Fredericton, New Brunswick; Cecil Ojah, MD, Saint John Regional Hospital, Saint John, New Brunswick; Wayne Andrews, MD, Janeway Children’s Health and Rehabilitation Centre, St. John’s, Newfoundland; Douglas McMillan, MD, IWK Health Centre, Halifax, Nova Scotia; Andrzej Kajetanowicz, MD, Cape Breton Regional Hospital, Sydney, Nova Scotia; and Shoo K. Lee, MD (chairman, Canadian Neonatal Network).
Conflict of Interest Disclosures: None reported.
Funding/Support: Administrative and statistical support for the study was provided by the Canadian Neonatal Network Coordinating Centre at the Maternal-Infant Research Centre, Mount Sinai Hospital, Toronto, Ontario. The Maternal-Infant Research Centre is supported by funding from the Canadian Institutes of Health Research and the Ministry of Health and Long-Term Care, Ontario, Canada.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: The authors thank the staff of the Canadian Neonatal Network Coordinating Centre for their continued hard work and Ruth Warre, PhD, (Maternal Infant Care Research Centre, Mount Sinai Hospital) for editorial assistance. Dr Warre did not receive financial compensation for her contribution.