1 Department of Hematology, Oncology and Rheumatology, Internal Medicine V, University Hospital Heidelberg, Heidelberg, Germany wolfgang.merkt@med.uni-heidelberg.de.
2 Department of Hematology, Oncology and Rheumatology, Internal Medicine V, University Hospital Heidelberg, Heidelberg, Germany.
3 Leibniz Research Center for Working Environment and Human Factors at TU Dortmund (IfADo), Dortmund, Germany.
4 Institute of Virology, University Medical Center, Freiburg, Germany.
5 Faculty of Medicine, Albert-Ludwigs-University Freiburg, Freiburg, Germany.
6 Department of Nuclear Medicine, University Hospital Heidelberg, Heidelberg, Germany.
7 Department of Nuclear Medicine, University Hospital Mainz, Mainz, Germany.
8 Thoraxklinik, Center for Interstitial and Rare Lung Diseases, University Hospital Heidelberg, Heidelberg, Germany.
9 Thoraxklinik, Diagnostic and Interventional Radiology with Nuclear Medicine, University Hospital Heidelberg, Heidelberg, Germany.