Soluble IL-2R Levels at Baseline Predict the Development of Severe Respiratory Failure and Mortality in COVID-19 Patients oleh Nikolaos K. Gatselis, Vasiliki Lygoura, Aggeliki Lyberopoulou, George Giannoulis, Anna Samakidou, Antonia Vaiou, George Vatidis, Katerina Antoniou, Aggelos Stefos, Sarah Georgiadou, Dimitrios Sagris, Dafni Sveroni, Despoina Stergioula, Stella Gabeta, George Ntaios, George N. Dalekos