Welschen 2004.

Methods	Cluster RCT Follow up: providers: DONE patients: N/A Blinded assessment: DONE Baseline: DONE Reliable outcomes: DONE Protection against contamination: DONE Overall quality: HIGH
Participants	12 peer review groups including 100 general practitioners with their collaborating pharmacists Country: Netherlands Proportion of eligible providers who participated: 29% General practice Academic/Teaching setting: NOT CLEAR Type of targeted behaviour: PRESCRIBING (of antibiotics for respiratory tract symptoms) Complexity of targeted behaviour: LOW
Interventions	1. CME: peer‐group education meeting with communication skills training + feedback presented at practice level + 2‐hr group education for assistants + education material for patients at practice site 2. Control: No intervention control
Outcomes	Professional practice: rate of antibiotic prescribing in % Patient: patient satisfaction Seriousness of outcome: LOW
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Low risk	A ‐ Adequate