Vitamin D therapy in children with inflammatory bowel disease: A systematic review
Tarah Rigterink, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, the Netherlands
Tarah Rigterink, Laura Appleton, Andrew S Day, Department of Paediatrics, University of Otago Christchurch, Christchurch 8041, New Zealand
Author contributions: All authors contributed equally to the work; Day AS conceptualised and designed the review together with Rigterink T; Rigterink T and Day AS carried out the analysis; Rigterink T drafted the initial manuscript; all authors reviewed and approved the final manuscript as submitted.
Conflict-of-interest statement: All authors have no conflicts of interest to report.
PRISMA 2009 Checklist statement: The authors have read the PRISMA 2009 Checklist, and the manuscript was prepared and revised according to the PRISMA 2009 Checklist.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Andrew S Day, MB, ChB, MD, Professor, Department of Paediatrics, University of Otago Christchurch, Riccarton Avenue, Christchurch 8041, New Zealand. email@example.com
Received: October 8, 2018
Peer-review started: October 8, 2018
First decision: November 7, 2018
Revised: December 31, 2018
Accepted: January 10, 2019
Article in press: January 10, 2019
Published online: January 22, 2019