Understanding older patients’ willingness to have medications deprescribed in primary care: a protocol for a cross-sectional survey study in nine European countries

Table 4 Involvement of National Coordinators in study design and planning of the data collection

Question	Decisions made
Timeline	Data collection begins in May 2022 in Switzerland and in June 2022 in the other countries (depending on how the COVID-19 situation evolves).
Data collection format	Offer patients both online and on paper questionnaires so that they can chose a suitable format.
Survey tool	The questionnaire will be translated into German, French, Italian, Bulgarian, Swedish, Croatian, Polish, and Dutch, and culturally adapted by the National Coordinators.
Data collection procedure	GPs will collect the questionnaires from patients and send them to the National Coordinators, who will enter the data into REDCap.