{{Cite journal| doi = 10.1186/s12967-021-02720-w| issn = 1479-5876 (Electronic) 1479-5876 (Linking)| volume = 19| issue = 1| pages = 56| last1 = Schoning| first1 = V.| last2 = Liakoni| first2 = E.| last3 = Baumgartner| first3 = C.| last4 = Exadaktylos| first4 = A. K.| last5 = Hautz| first5 = W. E.| last6 = Atkinson| first6 = A.| last7 = Hammann| first7 = F.| title = Development and validation of a prognostic COVID-19 severity assessment (COSA) score and machine learning models for patient triage at a tertiary hospital| journal = J Transl Med| date = 2021-02-07| pmid = 33546711}}