1. Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
2. Friedrich-Loeffler Institute, Institute for Novel and Emerging Infectious Diseases, Greifswald - Insel Riems, Germany
3. State Health Office Baden-Württemberg, Stuttgart, Germany
4. Julius Kühn Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Horticulture and Forestry, Vertebrate Research, Münster, Germany
5. Institute of Virology, Helmut-Ruska-Haus, Charité - Universitätsmedizin Berlin, National Consultation Laboratory for Hantaviruses, Berlin, Germany