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About the article
Published Online: 2019-05-14
Author contributions: THS and YL designed the study and led the sample analysis; AT led the data retrieval from the Perinatal Data Registry; AT and YL led the data analysis; AM, GS and HDV provided input on study design, execution and data interpretation. SIB contributed to data analysis and interpretation. THS wrote the first draft of the manuscript; AT and YL are main contributors to the manuscript writing; and AM, GS, SIB and HDV provided critical evaluation and input into the manuscript. All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This study was supported by the Canadian Institutes for Health Research/Canada Research Chair Program, and a grant of no charge materials from Abbott Laboratories.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
Disclaimer: All inferences, opinions, and conclusions drawn in this publication are those of the authors, and do not reflect the opinions or policies of Perinatal Services BC.