1. Inselspital University Hospital Bern
2. Hospital Sant Joan de Deu
3. Hospital Sant Joan de Déu
4. Bambino Gesù Children Hospital, IRCCS
5. University Hospital of Montpellier, FAVA-MULTI Reference Centre for Lymphedema and lymphatic anomalies, University of Montpellier
6. Swiss Cardiovascular Center, Inselspital, Bern University Hospital, University of Bern
7. Children’s Hospital
8. Diakonie Klinikum
9. University Hospital of Ulm
10. University Medical Center Freiburg