Prof. M.J. Rodríguez-Alvarez received her PhD in Physics at the University of Valencia in 1998. Since 2003 she has a permanent position in the department mathematics at the Universidad Politécnica de Valencia. Since 2009, she is a member of the Physics Medicine Group at the i3M (Instituto de Instrumentacion para la Imagen Molecular). https://i3m-detectors.com/#. She is the group leader of the Medical Imaging Reconstruction Group (MIRG) at Instituto de Instrumentación de Imagen Molecular, Universidad Politècnica de Valencia_Spain. https://i3m-detectors.com/ research/medical-imaging-reconstruction-group-mirg/#.