Molecular Imaging, Reconstruction and Analysis of Moving Body Organs,and Stroke Imaging and Treatment – Fifth International Workshop, {CMMI}2017, Second International Workshop, {RAMBO} 2017, and First InternationalWorkshop, {SWITCH} 2017, Held in Conjunction with {MICCAI} 2017, Qu{‘{e}}becCity, QC, Canada, September 14, 2017, Proceedings