Transanal Irrigation in patients with Parkinson's Disease and chronic constipation: rebalancing the Gut Microbiota? - Colucci F; Ascanelli S; Chimisso L; Antenucci P; Procaccianti G; Mechelli A; Gozzi A; Rossin E; D'Amico F; Turroni S; Azzolina D; Sensi M (Parkinsonism & related disorders, 2026)