Table 1.

The Rome IV Process

Years	Level	Actions
2008	Rome Foundation Board of Directors	Identified key areas to acquire preliminary knowledge for the Rome IV Chapter Committeest
2010–2012	Rome Foundation Board of Directors	Creation of the Rome IV Editorial Board Members
	Rome IV Editorial Board Members	Identified Chairs and Co-chairs of the 18 committees
	Rome IV Committees Chairs and Co-chairs	Selection of committee members to produce Rome IV Chapters
	Rome Foundation Board of Directors	Creation of Support Committees to provide ancillary service to the chapter committees
2013 (May)	Rome Foundation Board of Directors	Orientation meeting
	Support Committees	Presented their work
2013–2015	Rome IV Committees	Critically synthesized the literature and created the requested documents through several revisions.
2014 (December)	Rome IV Committees	Meeting in Rome (Rome IV Conference) to revise the documents and established consensus on scientific content an diagnostic criteria
	Rome IV Editorial Board, Committee Chairs and Co-Chairs	Harmonization meeting to summarize and present their committees' recommendation to the group
2015	Committee Chairs and Co-Chairs	Each document was sent out for peer-review by international experts
2015 (Autumn)	Committee Chairs and Co-Chairs and Members	Manuscripts for the Rome IV Gastroenterology supplements were created
	Rome IV Editorial Board	Reviewed the manuscripts for the Rome IV Gastroenterology supplements
	Rome IV Committee Members	Signed off on all documents before they were sent to copy editor for final check