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Studies excluded from analysis, whit motivations
| Wright et al. 2011 | BLW approach not defined |
|---|---|
| Rowan et al. 2012 | Non-comparative cross-sectional study |
| Cameron et al. 2012 | Non-comparative cross-sectional study |
| Brown et al. 2013 | Non-comparative cross-sectional study |
| Arden et al. 2015 | Non-comparative cross-sectional study |
| Daniels et al. 2016 | Congress communication |
| D’Andrea 2016 | Non-comparative cross-sectional study |
| Daniels et al. 2017 | Congress communication |
