1. Department of Pathology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
2. Department of Otorhinolaryngology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
3. Laboratory of Translational Immunology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
4. Center for Infectious Disease Control, National Institute of Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, The Netherlands