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. 2018 Apr 7;8(4):e017273. doi: 10.1136/bmjopen-2017-017273

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Flow chart of data collection in the DD2 cohort study. DD2, Danish Centre for Strategic Research in Type 2 Diabetes; DDDA, Danish Diabetes Database for Adults; HbA1c, glycosylated haemoglobin A; SF-12, 12-Item Short Form Health Survey.