1. From Franz Volhard Clinic and Max Delbrück Center for Molecular Medicine, Medical Faculty of the Charité, Humboldt University of Berlin (Germany) (R.D., V.H., J.-K.P, J.T., D.C.G., H.H., F.C.L); the Department of Obstetrics and Gynecology, Klinikum Buch, Berlin, Germany (A.J.); the Department of Internal Medicine III, University of Heidelberg (Germany) (J.K.); and the Department of Immunology and Vascular Biology, Scripps Institute, La Jolla, Calif (N.M.).