RT Journal Article SR Electronic T1 COVID-19 prediction models should adhere to methodological and reporting standards JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2002643 DO 10.1183/13993003.02643-2020 VO 56 IS 3 A1 Gary S. Collins A1 Maarten van Smeden A1 Richard D. Riley YR 2020 UL http://erj.ersjournals.com/content/56/3/2002643.abstract AB