Central Administration 4 (IT), Robert Koch Institute, Berlin, Germany. KuhringK@rki.de.|Research Group Bioinformatics (NG4), Robert Koch Institute, Berlin, Germany. DabrowskiW@rki.de.|Centre for Biological Threats and Special Pathogens (ZBS 1), Robert Koch Institute, Berlin, Germany. PiroV@rki.de.|Research Group Bioinformatics (NG4), Robert Koch Institute, Berlin, Germany. NitscheA@rki.de.|Research Group Bioinformatics (NG4), Robert Koch Institute, Berlin, Germany. RenardB@rki.de.