Concordance of HbA1c, creatinine, LDL cholesterol, HDL cholesterol, and total cholesterol between venous and self‐collected capillary blood samples sent by mail. - Hoffmeister, Linda; Schuchardt, Christopher; Hafke, Angelika; Hummers, Eva; Dopfer‐Jablonka, Alexandra; Behrens, Georg M. N.; Stölting, Andrea; Kuhnke, Louis; Schanz, Julie; Müller, Frank; Happle, Christine; Schröder, Dominik (Journal of Diabetes Investigation, 2026)