Key driver diagram for hepatitis B screening Key driver diagram for hepatitis B screening. CCHMC, Cincinnati Children’s Hospital Medical Center; HBV, hepatitis B virus; IBD, inflammatory bowel disease. Key driver diagram for hepatitis B screening. CCHMC, Cincinnati Children’s Hospital Medical Center; HBV, hepatitis B virus; IBD, inflammatory bowel disease. M Raphaelle Jean et al. BMJ Open Qual 2017;6:e000092 © Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/