TABLE 6.

Timeline of the guideline development process

Time point	Action
April 2018	Decision by European Federation of Periodontology (EFP) General Assembly to develop comprehensive treatment guidelines for periodontitis
May–September 2018	EFP Workshop Committee assesses merits and disadvantages of various established methodologies and their applicability to the field
September 2018	EFP Workshop Committee decides on/invites (a) topics covered by proposed guideline, (b) working groups and chairs, (c) systematic reviewers, and (d) outcomes measures
End of year 2018	Submission of PICO(S) questions by systematic reviewers to group chairs for internal alignment Decision on consensus group, invitation of stakeholders
21 January 2019	Organizing and Advisor Committee meeting. Decision on PICO(S) and information sent to reviewers
March–June 2019	Submission of Systematic reviews by reviewers, initial assessment by workshop committee
June–October 2019	Peer review and revision process, Journal of Clinical Periodontology
September 2019	Submission of declarations of interest by all delegates
Before workshop	Electronic circulation of reviews and guideline draft
10–13 November 2019	Workshop in La Granja with moderated formalized consensus process
December 2019–January 2020	Formal stakeholder consultation, finalization of guideline method report and background text
April 2020	Publication of guideline and underlying Systematic Reviews in the Journal of Clinical Periodontology