1 Department of Radiology, Lausanne University Hospital and University of Lausanne, Rue du Bugnon 46, 1011, Lausanne, VD, Switzerland. massimo.donalisio@me.com.
2 Department of Radiology, Lausanne University Hospital and University of Lausanne, Rue du Bugnon 46, 1011, Lausanne, VD, Switzerland.
3 Department of Radiology, Lebanese Hospital Geitaoui - UMC, Geitaoui Street, 1709, Beirut, Lebanon.