Study	Reason for exclusion
Camp‐Sorrell 1991	Control group received education
Campbell 1991	Outcomes were not measured in a clinical situation
Carlsson 1998	Outcomes were not measured in a clinical situation
Casebeer 1999	Audioconferences
Davidoff 1989	Control group received education
Doyne 2004	Educational outreach
Dunn 1992	Outcomes were not measured in a clinical situation
Eckstrom 1999	Quasirandomised
Francke 1997	Outcomes were based on self‐report
Gifford 1999	Outcomes measured in a test situation
Huang 2002	Unclear whether the outcomes were reported by participants or whether they were observed by others
Langewitz 1998	Outcomes were not measured in a clinical situation
Lundgren 1999	Not described as educational meeting
Martin 2004	Testing of an algorithm for improving nutritional support, not of an educational intervention
Morrison 2001 1	Testing the effectiveness of guidelines, not an educational meeting
O'Neill 1999	Not described as educational meeting
Ockene1995	Outcomes were not measured in a clinical situation
Pinkerton 1980	The intervention was video‐watching
Premaratne 1999	Testing of the effectiveness of an asthma centre, not of an educational meeting
Proctor 1999	Educational outreach
Quirk 1991	Outcomes were not measured in a clinical situation
Ratanajamit 2002	The participants were drugstore personnel
Ravaud 2004	We defined the intervention as educational outreach
Roter 1990	Outcomes were not measured in a clinical situation
Ruiz Moral 2001	Outcomes were measured by patients that the physicians knew were fake (test situation)
Saturno 1995	Outcomes were based on self‐report
Sibley 1982	The intervention was printed material, not educational meeting
Stross 1983	Outcomes were not measured in a clinical situation
Sulmasy 1992	The participants were physicians under education
Terry 1981	Outcomes were not measured in a clinical situation
Tziraki 2000	The outcome measures (adherence scores) were a mixture of subjective and objective measures.
Wedge 2005	Not described as educational meeting
Zwar 1995	Outcomes were based on self‐report