Retraction notice to "Applying spectral analysis to the arterial pulse to discriminate cardiovascular side effects following administration of Moderna's mRNA-1273 vaccine" [Eur. J. Pharmacol. 1007 (2025) 178269]. - Chen CC; Chang WT; Chiu CC; Yang TY; Hao WR; Huang TW; Lin KJ; Fang YA; Hsu MH; Yang TL; Lai YH; Jong HC; et al. (European journal of pharmacology, 2026)