Unpacking excessive polypharmacy patterns among individuals living with chronic pain in Quebec: a longitudinal study - De Clifford-Faugère, Gwenaelle; Nguena Nguefack, Hermine Lore; Ménard, Nancy; Beaudoin, Sylvie; Pagé, M. Gabrielle; Guénette, Line; Hudon, Catherine; Samb, Oumar Mallé; Lacasse, Anaïs (Frontiers in Pain Research, 2025)