1. Department of Infectious Diseases, Leiden University Medical Center, Albinusdreef 2, 2333ZA, Leiden, The Netherlands
2. National Institute of Public Health and the Environment, Centre for Infectious Diseases Control (RIVM-LCI), Antonie van Leeuwenhoeklaan 9, 3721MA, Bilthoven, The Netherlands
3. Department of Epidemiology, Biostatistics and Bioinformatics, Amsterdam University Medical Center, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands
4. Department of Public Health and Primary Care, Leiden University Medical Center, Albinusdreef 2, 2333ZA, Leiden, The Netherlands
5. Department of Infectious Diseases, Haaglanden Municipal Health Service, Westeinde 128, 2512HE Den Haag, The Netherlands
6. Leiden University Medical Center, Department of Medical Ethics and Law, Albinusdreef 2, 2333ZA, Leiden, The Netherlands