Concordance of HbA1c, creatinine, LDL cholesterol, HDL cholesterol, and total cholesterol between venous and self-collected capillary blood samples sent by mail. - Hoffmeister L; Schuchardt C; Hafke A; Hummers E; Dopfer-Jablonka A; Behrens GMN; Stölting A; Kuhnke L; Schanz J; Müller F; Happle C; Schröder D (Journal of diabetes investigation, 2026)