The natural history of COVID-19 in patients with inflammatory bowel disease: a nationwide study by the Hellenic Society for the study of IBD.

"Conflicts of interest G.B. is the advisor/lecturer for Janssen, Pfizer, Takeda, Abbvie, MSD, Mylan, Genesis Pharma, Adacyte Therapeutics, Amgen, Ferring, Cooper; Funding (Grants/Honoraria): Pfizer, Takeda, Abbvie, Aenorasis; Research/Clinical Trials: Abbvie, Takeda. Genesis Pharma, Cooper. K.K. is the advisor/lecturer for Abbvie, Aenorasis, Janssen, MSD, Pfizer and Takeda, Amgen, Ferring, Galenica, Genesis Pharma. S.M. is the advisory/lecturer for Pfizer, Takeda, Abbvie, Ferring, MSD, Janssen. G.P. is the advisor/lecturer for Abbvie, Dicerna, Elpen, Gilead, GlaxoSmithKline, Ipsen, Janssen, Merck Sharp & Dohme, Roche, Spring Bank, Takeda; research grants Abbvie, Gilead, Takeda; clinical trials: Abbvie, Astellas, Bayer, Boehringer Ingelheim, Bristol-Myers Squibb, Gilead, Janssen, Merck Sharp & Dohme, Noorik, Novartis, Novo Nordisk, Regulus, Roche, Takeda. K.T. is the lecturer for Takeda, Amgen. E.T. is the lecturer for Ferring, Takeda. M.T. is the advisor/lecturer for Janssen, Pfizer, Takeda, Abbvie, MSD, Mylan, Genesis Pharma, Amgen, Research/Clinical Trials: AbbVie, Gilead, Takeda. V.N. is the advisor/lecturer for Janssen, Pfizer, Aenorasis, Takeda, Abbvie, MSD, Mylan, Amgen, Genesis Pharma, Cooper. E.Z. is the advisor/lecturer for Pfizer, Takeda, Abbvie, Amgen, Genesis Pharma, Aenorasis, Janssen. G.M. is the advisor/lecturer for AbbVie, Celgene, Celtrion, Ferrirng, Genesis, Hospira, Janssen, Millennium Pharmaceuticals, MSD, Mylan, Pharmacosmos, Pfizer, Takeda, VIANEX, Angelini, Falk Pharma, Galenica, Omega Pharma; Consultancies for MSD and Takeda; Research support from AbbVie, Galenica, Genesis, Menarini Group, MSD, Pharmathen. For the remaining authors, there are no conflicts of interest."

"This work was supported by a clinical grant from the Hellenic Society for the Study of IBD. G.B. is the advisor/lecturer for Janssen, Pfizer, Takeda, Abbvie, MSD, Mylan, Genesis Pharma, Adacyte Therapeutics, Amgen, Ferring, Cooper; Funding (Grants/Honoraria): Pfizer, Takeda, Abbvie, Aenorasis; Research/Clinical Trials: Abbvie, Takeda. Genesis Pharma, Cooper. K.K. is the advisor/lecturer for Abbvie, Aenorasis, Janssen, MSD, Pfizer and Takeda, Amgen, Ferring, Galenica, Genesis Pharma. S.M. is the advisory/lecturer for Pfizer, Takeda, Abbvie, Ferring, MSD, Janssen. G.P. is the advisor/lecturer for Abbvie, Dicerna, Elpen, Gilead, GlaxoSmithKline, Ipsen, Janssen, Merck Sharp & Dohme, Roche, Spring Bank, Takeda; research grants Abbvie, Gilead, Takeda; clinical trials: Abbvie, Astellas, Bayer, Boehringer Ingelheim, Bristol-Myers Squibb, Gilead, Janssen, Merck Sharp & Dohme, Noorik, Novartis, Novo Nordisk, Regulus, Roche, Takeda. K.T. is the lecturer for Takeda, Amgen. E.T. is the lecturer for Ferring, Takeda. M.T. is the advisor/lecturer for Janssen, Pfizer, Takeda, Abbvie, MSD, Mylan, Genesis Pharma, Amgen, Research/Clinical Trials: AbbVie, Gilead, Takeda. V.N. is the advisor/lecturer for Janssen, Pfizer, Aenorasis, Takeda, Abbvie, MSD, Mylan, Amgen, Genesis Pharma, Cooper. E.Z. is the advisor/lecturer for Pfizer, Takeda, Abbvie, Amgen, Genesis Pharma, Aenorasis, Janssen. G.M. is the advisor/lecturer for AbbVie, Celgene, Celtrion, Ferrirng, Genesis, Hospira, Janssen, Millennium Pharmaceuticals, MSD, Mylan, Pharmacosmos, Pfizer, Takeda, VIANEX, Angelini, Falk Pharma, Galenica, Omega Pharma; Consultancies for MSD and Takeda; Research support from AbbVie, Galenica, Genesis, Menarini Group, MSD, Pharmathen. For the remaining authors, there are no conflicts of interest."