1. Department of Viroscience, Erasmus Medical Centre, Dr. Molewaterplein 50, 3015GE, Rotterdam, the Netherlands
2. Seal Rehabilitation and Research Centre, Hoofdstraat 94a, 9968 AG, Pieterburen, the Netherlands
3. Viroclinics Biosciences B.V., Marconistraat 16, 3029 AK, Rotterdam, the Netherlands