1. Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands;
2. Eurofins Materials Science Netherlands BV, Eindhoven, Netherlands;
3. Department of Respiratory Medicine, Isala Clinics, Zwolle, Netherlands;
4. Department of General Practice, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands;
5. Department of Internal Medicine, Division of Infectious Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands