Tim Van den Wyngaert1,2, Frédéric Paycha3. 1. Department of Nuclear Medicine, Antwerp University Hospital, Wilrijkstraat 10, 2650, Edegem, Belgium. Tim.VandenWyngaert@uza.be. 2. Faculty of Medicine and Health Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium. Tim.VandenWyngaert@uza.be. 3. Department of Nuclear Medicine, Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France.