Risk of acute arterial and venous thromboembolic events in eosinophilic granulomatosis with polyangiitis (Churg-Strauss syndrome).

Competing Interests: Conflict of interest: A. Bettiol has nothing to disclose. Conflict of interest: R.A. Sinico has nothing to disclose. Conflict of interest: F. Schiavon has nothing to disclose. Conflict of interest: S. Monti has nothing to disclose. Conflict of interest: E.P. Bozzolo has nothing to disclose. Conflict of interest: F. Franceschini has nothing to disclose. Conflict of interest: M. Govoni has nothing to disclose. Conflict of interest: C. Lunardi has nothing to disclose. Conflict of interest: G. Guida has nothing to disclose. Conflict of interest: G. Lopalco has nothing to disclose. Conflict of interest: G. Paolazzi has nothing to disclose. Conflict of interest: A. Vacca has nothing to disclose. Conflict of interest: G. Gregorini has nothing to disclose. Conflict of interest: P. Leccese has nothing to disclose. Conflict of interest: M. Piga has nothing to disclose. Conflict of interest: F. Conti has nothing to disclose. Conflict of interest: P. Fraticelli has nothing to disclose. Conflict of interest: L. Quartuccio has nothing to disclose. Conflict of interest: F. Alberici has nothing to disclose. Conflict of interest: C. Salvarani has nothing to disclose. Conflict of interest: S. Bettio has nothing to disclose. Conflict of interest: S. Negrini has nothing to disclose. Conflict of interest: C. Selmi has nothing to disclose. Conflict of interest: S. Sciascia has nothing to disclose. Conflict of interest: G. Moroni has nothing to disclose. Conflict of interest: L. Colla has nothing to disclose. Conflict of interest: C. Manno has nothing to disclose. Conflict of interest: M.L. Urban has nothing to disclose. Conflict of interest: A. Vannacci has nothing to disclose. Conflict of interest: M.R. Pozzi has nothing to disclose. Conflict of interest: P. Fabbrini has nothing to disclose. Conflict of interest: S. Polti has nothing to disclose. Conflict of interest: M. Felicetti has nothing to disclose. Conflict of interest: M.R. Marchi has nothing to disclose. Conflict of interest: R. Padoan has nothing to disclose. Conflict of interest: P. Delvino has nothing to disclose. Conflict of interest: R. Caporali has nothing to disclose. Conflict of interest: C. Montecucco has nothing to disclose. Conflict of interest: L. Dagna has nothing to disclose. Conflict of interest: A. Cariddi has nothing to disclose. Conflict of interest: P. Toniati has nothing to disclose. Conflict of interest: S. Tamanini worked at ASST Spedali Civili Brescia, Unit of Rheumatology and Immunology during the conduct of the study, but has since been employed by GlaxoSmithKline. Conflict of interest: F. Furini has nothing to disclose. Conflict of interest: A. Bortoluzzi has nothing to disclose. Conflict of interest: E. Tinazzi has nothing to disclose. Conflict of interest: L. Delfino has nothing to disclose. Conflict of interest: I. Badiu has nothing to disclose. Conflict of interest: G. Rolla has nothing to disclose. Conflict of interest: V. Venerito has nothing to disclose. Conflict of interest: F. Iannone has nothing to disclose. Conflict of interest: A. Berti has nothing to disclose. Conflict of interest: R. Bortolotti has nothing to disclose. Conflict of interest: V. Racanelli has nothing to disclose. Conflict of interest: G. Jeannin has nothing to disclose. Conflict of interest: A. Padula has nothing to disclose. Conflict of interest: A. Cauli has nothing to disclose. Conflict of interest: R. Priori has nothing to disclose. Conflict of interest: A. Gabrielli has nothing to disclose. Conflict of interest: M. Bond has nothing to disclose. Conflict of interest: M. Tedesco has nothing to disclose. Conflict of interest: G. Pazzola has nothing to disclose. Conflict of interest: P. Tomietto has nothing to disclose. Conflict of interest: M. Pellecchio has nothing to disclose. Conflict of interest: C. Marvisi has nothing to disclose. Conflict of interest: F. Maritati has nothing to disclose. Conflict of interest: A. Palmisano has nothing to disclose. Conflict of interest: C. Dejaco has nothing to disclose. Conflict of interest: J. Willeit has nothing to disclose. Conflict of interest: S. Kiechl has nothing to disclose. Conflict of interest: I. Olivotto has nothing to disclose. Conflict of interest: P. Willeit has nothing to disclose. Conflict of interest: D. Prisco has nothing to disclose. Conflict of interest: A. Vaglio has nothing to disclose. Conflict of interest: G. Emmi has nothing to disclose.