1 Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.
2 Department of Emergency Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands. Electronic address: y.vanderdoes@erasmusmc.nl.
3 Department of Internal Medicine, Slotervaart Hospital, Amsterdam, The Netherlands; Department of Internal Medicine, Academic Medical Center, Amsterdam, The Netherlands.
4 Department of Pulmonary Medicine, Academic Medical Center, Amsterdam, The Netherlands.
5 Department of Emergency Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.
6 Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands; Department of Viroscience, Erasmus University Medical Center, Rotterdam, The Netherlands.