[1] Univ Klinikum Bonn, Bonn, Germany
[2] Med Infektiol Zentrum Berlin, Berlin, Germany
[3] IFI Med GmbH, Hamburg, Germany
[4] Asklepios Klin St Georg, Hamburg, Germany
[5] Med Univ Vienna, Vienna, Austria
[6] Klinikum Klagenfurt Worthersee, Klagenfurt, Austria
[7] Goethe Univ Frankfurt, Univ Klinikum, Frankfurt, Germany
[8] Univ Amsterdam, Acad Med Ctr, Amsterdam, Netherlands
[9] Bristol Myers Squibb, Global Biostat, Hopewell, NJ USA
[10] Bristol Myers Squibb, Res & Dev, Princeton, NJ USA