[1] Univ Hautklin Kiel, Kiel, Germany
[2] Hannover Med Sch, Hannover, Germany
[3] Eberhard Karls Univ Tubingen, Tubingen, Germany
[4] Elbe Klinikum, Buxtehude, Germany
[5] Justus Liebig Univ, Giessen, Germany
[6] Univ Klinikum Regensburg, Regensburg, Germany
[7] Bristol Myers Squibb, Munich, Germany
[8] HELIOS Klin, Erfurt, Germany
[9] Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Dresden, Germany
[10] Univ Klinikum Freiburg, Freiburg, Germany
[11] Univ Klinikum Saarlandes, Homburg, Germany
[12] Univ Klinikum Hamburg Eppendorf, Hamburg, Germany
[13] Univ Klinikum Schleswig Holstein, Lubeck, Germany
[14] Harzklinikum Dorothea Christiane Erxleben, Quedlinburg, Germany
[15] Univ Klinikum Mannheim, Mannheim, Germany
[16] Univ Klinikum Munster, Munster, Germany
[17] Univ Klinikum Augsburg, Augsburg, Germany
[18] Univ Klinikum Essen, Essen, Germany