The introduction of the IBD Disk in Poland – a new tool for assessing disability in patients with inflammatory bowel disease - Piotr Eder; Ariel Liebert; Michał Łodyga; Magdalena Kaniewska; Maria Kłopocka; Grażyna Rydzewska; Agnieszka Dobrowolska; Subrata Ghosh (Gastroenterology Review)