1. Division of Hematology, Departments of Internal Medicine; Biochemistry and Molecular Biology, Mayo Clinic; Rochester MN
2. Institut für Biochemie und Biotechnologie; Martin-Luther-Universität Halle-Wittenberg; Kurt-Mothes-Str. 3 06120 Halle (Saale) Germany
3. Scil Proteins GmbH; Heinrich Damerow Str. 1 06120 Halle (Saale) Germany