Reply to the letter to the Editor: 'The role of coexisting cardiovascular disease on disease severity in patients with inflammatory bowel disease'. Issue 2 (February 2021) - Mantaka, Aikaterini; Tsoukali, Emmanouela; Fragaki, Maria; Karmiris, Konstantinos; Viazis, Nikos; Mantzaris, Gerassimos J.; Koutroubakis, Ioannis E.