<affiliation wicri:level="1"><nlm:aff id="I2">Department of Cardiovascular Surgery, Swiss Cardiovascular Center, University Hospital Bern, Freiburgstrasse, 3010 Bern, Switzerland</nlm:aff>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>Department of Cardiovascular Surgery, Swiss Cardiovascular Center, University Hospital Bern, Freiburgstrasse, 3010 Bern</wicri:regionArea>
<placeName><settlement type="city">Berne</settlement>
<region type="région" nuts="3">Canton de Berne</region>
</placeName>
</affiliation>