Trends in prescription opioid use in Europe: A DARWIN EU® multinational cohort study including seven European countries - Junqing Xie; Mike Du; Yuchen Guo; Cesar Barboza; James T. Brash; Antonella Delmestri; Talita Duarte-Salles; Jasmine Gratton; Romain Griffier; Raivo Kolde; Wai Yi Man; Núria Mercadé-Besora; et al. (Frontiers in Pharmacology, 2025)