10.6084/m9.figshare.c.3645650_D2.v1 Jack Benton Jack Benton Jamie Anderson Jamie Anderson Ruth Hunter Ruth Hunter David French David French Additional file 2: of The effect of changing the built environment on physical activity: a quantitative review of the risk of bias in natural experiments Springer Nature 2016 Built environment Physical activity Natural experiments Risk of bias Review 2016-10-07 05:00:00 Journal contribution https://springernature.figshare.com/articles/journal_contribution/Additional_file_2_of_The_effect_of_changing_the_built_environment_on_physical_activity_a_quantitative_review_of_the_risk_of_bias_in_natural_experiments/4472648 Overview of signalling questions added to the ACROBAT-NRSI. (DOCX 26 kb)