[1] Univ Spital Zurich, Clin & Intervent Angiol, Ramistr 100, CH-8091 Zurich, Switzerland
[2] Kantonsspital St Gallen, Clin Internal Med, St Gallen, Switzerland
[3] Inselspital Bern, Dept Cardiovasc Surg, Bern, Switzerland
[4] Hirslanden Klin Aarau, Clin Urol, Aarau, Switzerland
[5] Radiol Zentrum Baden, Diagnost Radiol, Baden, Switzerland
[6] Vasc Inst Cent Switzerland, Aarau, Switzerland