| Recruiting | N/A | 120 | Europe | Detraining group, Control group | Vestre Viken Hospital Trust, St. Olavs Hospital, Baker Heart and Diabetes Institute, Universitaire Ziekenhuizen KU Leuven, University Hospital, Antwerp, AZ Jan Palfijn Gent, Jessa Hospital | Atrial Fibrillation | 01/24 | 01/24 | | |