1. From the Clinic of Internal Medicine II (A.R.-M., T.M., R.A.B., E.M., M.B.), Department of Angiology, the Department of Internal Medicine I (P.V.), Division of Hematology and Hemostaseology, the Department of Cardiothoracic Surgery (M.R.M.), the Department of Gynecology and Obstetrics (P.H.), and the Department of Anesthesiology and General Intensive Care (A.K.), Unit A, University of Vienna, Vienna, Austria.