1. Department of Donor Medicine Research Laboratory of Blood‐borne Infections, Sanquin Research Amsterdam The Netherlands
2. Department of Virology and MAT Services Sanquin Diagnostic Services Amsterdam The Netherlands
3. Laboratory of Medical Microbiology, Onze Lieve Vrouwe Gasthuis Amsterdam The Netherlands
4. Unit of Medical Donor Affairs Sanquin Blood Supply Foundation Amsterdam The Netherlands
5. Department of Clinical Virology Amsterdam University Medical Centre Amsterdam The Netherlands