Table 1. Quality appraisal of included studies: randomised controlled trials.
Randomised Controlled Study (First Author Name) | Satisfactory Randomization | Allocation Concealment | Blinding | Adequate Follow-up | Appropriate Statistical Measures |
Freemantle [35] | Appropriate cluster randomization | No | No | Yes | Yes |
Dolovich [36] a | Appropriate cluster randomization | No | No | Yes | Yes |
Received research funding from a pharmaceutical company.