1. From the Division of Vascular Medicine, Swiss Cardiovascular Center, University Hospital Bern, Bern, Switzerland (N.K., I.B.); Helios Hospital Siegburg, Siegburg, Germany (P.B., J.H., R.M.); Internal Medicine III, University Hospital Heidelberg, Heidelberg, Germany (O.J.M., E.B.); Großhadern Hospital, Ludwig-Maximilians University Munich, Munich, Germany (C.K., M.G., P.L.); University Hospital Carl Gustav Carus of Technical University Dresden, Dresden, Germany (J.B.-W., R.H., S.W.); Dortmund...