Udo Holtick1, Melanie Albrecht1, Jens M. Chemnitz1, Sebastian Theurich1, Alexander Shimabukuro-Vornhagen1, Nicole Skoetz2, Christof Scheid1, Michael von Bergwelt-Baildon1
1Department I of Internal Medicine, Stem Cell Transplantation Program, University of Cologne, Cologne, Germany
2Cochrane Hematological Malignancies Group, Department I of Internal Medicine, University of Cologne, Cologne, Germany