In this version, two new modules, Vessel Architectural Imaging and Multi-Channel analysis, have been added. In addition, several improvements have been done throughout the applications, such as addition of T2 relaxation analysis in batch and improvements to DCE, T1 and T2 relaxation analysis, as well as several minor enhancements and bug fixes.Note! As of this version, the licensing system has been changed. Hence, licenses for v4.1.3 and earlier will not work on v4.2.0 and later. For existing users, please contact email@example.com for more information.