A novel intelligent radiomic analysis of perfusion SPECT/CT images to optimize pulmonary embolism diagnosis in COVID-19 patients.

"Declarations Ethics approval and consent to participateThis study was performed in accordance with the principles of the Declaration of Helsinki. The research protocol was approved by the regional ethics committee (Ethics Committee for Clinical Research of Germans Trias i Pujol University Hospital), with the reference PI-20–161 and subjects have given their informed consent. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no relevant competing interests. Competing interests The authors declare that they have no relevant competing interests."

"Funding This work was supported by grants PID2021-126776OB-C21, RTI2018-095209-B-C21 funded by MCIN/AEI/10.13039/501100011033 and by “ERDF A way of making Europe”; Agència de Gestió d'Ajuts Universitaris i de Recerca grant numbers 2017-SGR-1624 and CERCA Programme / Generalitat de Catalunya; Barcelona Respitatory Network (BRN)- Fundació Ramon Pla i Armengol; “Clinical project” grant, Fundació Acadèmia Ciències Mèdiques de Catalunya i de Balears; “Talents” grant 2020, Fundació La Pedrera and Hospital Universitari Germans Trias i Pujol; Lung Ambition Alliance Grant."