1. From the 2nd Medical Clinic (P.W., M.K., S.K., J.S., M.H., S.S., E.S., M.O., A.D., T.M.), Department of Dermatology (M.S., S.G., H.J., C.B.), Institute for Molecular Medicine (S.H.K., N.Y., A.W.), and Center for Thrombosis and Hemostasis (P.W., M.S., M.H., S.S., T.M.), University Medical Center Mainz, Mainz, Germany.