1. Department of Biological Chemistry, Life Sciences Institute, The Hebrew University of Jerusalem, Jerusalem 91904, 1 and
2. Departments of Obstetrics and Gynecology 2 and
3. Hematology, 3 Tel-Aviv Sourasky Medical Center, The Sackler School of Medicine, Tel-Aviv University, Tel-Aviv 64239, Israel, and
4. Max-Planck-Institut für Experimentelle Medizin, D-37075 Göttingen, Germany4