1. Department of Vascular Medicine - Angiology, Klinikum Darmstadt, Germany
2. Children’s Hospital Prinzessin Margaret, Darmstadt, Germany
3. Center for Vascular Medicine, Clinic of Angiology, St.-Josefs-Hospital, Katholisches Krankenhaus Hagen gem, GmbH, Germany
4. Department of Surgery, Dietrich Bonhoeffer Diakonie Hospital, Neubrandenburg, Germany
5. Department of Cardiology and Angiology, Otto-von-Guericke University Magdeburg, Germany