Table 1.

Description of the multistep development process

	Establishment of the Working Group	Generation of the initial checklist	Optimisation of the checklist						Approval of the final checklist
			Initial assessment of adapted guidelines	Semistructured interviews	Delphi consensus survey	External review by guideline developers	External review by guideline users	Final assessment of adapted guidelines
Main objective	To identify individuals who are relevant to participate in the project	To develop the initial version of the checklist	To assess the adequacy of each item of the checklist	To explore current practices in adaptation of guidelines	To define the list of items to be included in the checklist	To assess the usefulness of each item of the checklist	To assess the usefulness of each item of the checklist	To assess the adequacy of each item of the checklist	To approve the final version of the checklist
Study design	–	–	Methodological survey of adapted guidelines	Semistructured interviews	Delphi consensus survey	Survey	Semistructured interviews	Methodological survey of adapted guidelines	–
Participants	Coordination Team Advisory Group Delphi Panel Members	Coordination Team Advisory Group	Coordination Team (two reviewers)	Guideline developers	Delphi Panel Members	Guideline developers	Guideline users	Coordination Team (two reviewers)	Coordination Team Advisory Group
Main outcome	–	–	Applicability rating of each item of the checklist	Participants’ views and experiences with process for adapting guidelines	Items considered relevant to report the adaptation of guidelines	Usefulness rating of each item of the checklist	Participants’ views and experiences with the checklist	Applicability rating of each item of the checklist	–
Study size	Convenience sample	–	Convenience sample of 10 adapted guidelines	Sampling saturation	20–30 participants from GIN Adaptation Guidelines Working Group, WHO and authors of adapted guidelines	GIN community	Sampling saturation	Convenience sample of 10 adapted guidelines	–

GIN, Guidelines International Network.