1. Department of Medical Microbiology, School of Medicine, Acibadem University, 34752 Ataşehir, Istanbul, Turkey
2. Laboratory of Biochemistry, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
3. Laboratory of Virology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands