1. CSL Behring GmbH; Marburg Germany
2. Interregional Blood Transfusion Service SRC; Bern Switzerland
3. University Hospital “Sv. Georgi” and Medical University Plovdiv; Plovdiv Bulgaria
4. CSL Behring AG; Bern Switzerland
5. CSL Behring LLC; King of Prussia Pennsylvania
6. Institut für Transfusionsmedizin; Charité-Universitätsmedizin Berlin; Berlin Germany