The Emission Tomography Standardization Initiative (ETSI) was founded in 2022 from an international working group consortium comprised of nuclear medicine physics and imaging experts from academia and industry to introduce new standardized formats for Emission Tomography preclinical and clinical raw data (list-mode, sinograms/histograms etc.), mainly for Positron Emission Tomography (PET), Single Photon Emission Computed Tomography…