Author Correction: Mid-regional pro-adrenomedullin is a novel biomarker for arterial stiffness as the criterion for vascular failure in a cross-sectional study. - Koyama T; Kuriyama N; Suzuki Y; Saito S; Tanaka R; Iwao M; Tanaka M; Maki T; Itoh H; Ihara M; Shindo T; Uehara R (Scientific reports, 2021)