1 1] Department of Bone Marrow Transplantation, University Hospital, University of Duisburg-Essen, Essen, Germany [2] German Cancer Consortium (DKTK), Germany.
2 1] German Cancer Consortium (DKTK), Germany [2] Institute for Transfusion Medicine, University Hospital, University of Duisburg-Essen, Essen, Germany.
3 Institute for Transfusion Medicine, University Hospital, University of Duisburg-Essen, Essen, Germany.
4 Institute of Inorganic Chemistry, University of Duisburg-Essen, Essen, Germany.
5 Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany.