[1] Med Univ Wien, Vienna, Austria
[2] Emory Univ, Atlanta, GA 30322 USA
[3] Univ Krankenhaus Bellvitge, Barcelona, Spain
[4] Univ Krankenhaus Nantes, Nantes, France
[5] Univ Krankenhaus Bicetre, Le Kremlin Bicetre, France
[6] Hannover Med Sch, Hannover, Germany
[7] Bristol Myers Squibb, New York, NY USA
[8] UCSF, San Francisco, CA 94117 USA