<affiliation wicri:level="4"><nlm:aff id="I2">MEM Research Center, Institute for Evaluative Research in Orthopaedic Surgery, University of Bern, Stauffacherstrasse 78, CH-3014 Bern, Switzerland</nlm:aff>
<country xml:lang="fr">Suisse</country>
<wicri:regionArea>MEM Research Center, Institute for Evaluative Research in Orthopaedic Surgery, University of Bern, Stauffacherstrasse 78, CH-3014 Bern</wicri:regionArea>
<orgName type="university">Université de Berne</orgName>
<placeName><settlement type="city">Berne</settlement>
<region nuts="3" type="region">Canton de Berne</region>
</placeName>
</affiliation>