1. Chumakov Institute of Poliomyelitis and Viral Encephalitides, Moscow, Russia
2. Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
3. German Centre for Infection Research (DZIF)
4. Institute of Virology, Helmut-Ruska-Haus, Charité Medical School, Berlin, Germany
5. Institute of Virology, University of Bonn Medical Centre, Bonn, Germany
6. Noctalis, Centre for Bat Protection and Information, Bad Segeberg, Germany