Current global trends in the incidence of pediatric-onset inflammatory bowel disease
Josef Sýkora, Renáta Pomahačová, Marcela Kreslová, Dominika Cvalínová, Jan Schwarz, Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Pilsen 304 60, Czech Republic
Přemysl Štych, Department of Applied Geoinformatics and Cartography, Charles University in Prague, Faculty of Science, Prague 128 43, Czech Republic
Author contributions: Sýkora J and Schwarz J contributed equally to this work, and were responsible for the conception, the study design, the integrity of the data and the accuracy of the data analysis and performed the data acquisition; Pomahačová R, Kreslová M, Cvalínová D and Štych P analyzed the data, drafted the manuscript and revised it critically for important intelectuall content; Štych P performed and edited choropleth maps; Sýkora J and Schwarz J wrote the manuscript; all authors have seen and approved the version of manuscript to be submitted.
Supported by the “On Our Own Feet Movement - Přátelé stonožky” - Endowment Program; and Research Project Progress Q-39.
Conflict-of-interest statement: The authors have no conflicts of interest to disclose.
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/
Correspondence to: Jan Schwarz, MD, Assistant Professor, Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Charles University in Prague, Faculty of Medicine in Pilsen, Faculty Hospital, Alej Svobody 80, Pilsen 304 60, Czech Republic. firstname.lastname@example.org
Telephone: +420-377-104330 Fax: +420-377-104693
Received: March 29, 2018
Peer-review started: March 29, 2018
First decision: May 9, 2018
Revised: June 1, 2018
Accepted: June 25, 2018
Article in press: June 25, 2018
Published online: July 7, 2018