RT Journal Article SR Electronic T1 Quantifying the underestimation of projected global diabetes prevalence by the International Diabetes Federation (IDF) Diabetes Atlas JF BMJ Open Diabetes Research & Care JO BMJ Open Diab Res Care FD American Diabetes Association SP e002122 DO 10.1136/bmjdrc-2021-002122 VO 9 IS 1 A1 Thaddäus Tönnies A1 Wolfgang Rathmann A1 Annika Hoyer A1 Ralph Brinks A1 Oliver Kuss YR 2021 UL http://drc.bmj.com/content/9/1/e002122.abstract AB