Table 2.

Participating countries and university networks

Country	University network	GPs invited to participate in the survey, n	GPs who participated in the survey, per country, n	Response rate per country, %
Netherlands	Leiden Primary Care Research Network, Leiden University Medical Center, Leiden	155
	Nijmegen Practice Based Research Network, Radboud University Medical Center, Nijmegen	160
	Total	315	129	41

Germany	Akademische Lehrpraxen and ForN Forschungsnetzwerk Allgemeinmedizin, Frankfurt^a	178	61	34

England	Keele University, Keele, Staffordshire^b	45
	University College London, London^b	86
	Total	131	22	17

Ireland	University College Cork^c	150	21	14

Switzerland	Bern Institute of General Practice, University of Bern, Bern	478
	Institute of General Medicine, University of Lausanne, Lausanne	190
	Department of Community Medicine and Primary Care, Geneva University Hospitals, Geneva	140
	Research and teaching network of the Institute of Primary Care at the University of Zürich	260
	Total	1086	262	25

New Zealand	Department of General Practice and Primary Health Care database^d	850	31	4

Total		2710	526	19