Basel-Landschaft, Switzerland
Amsterdam, North Holland, Netherlands
Cambridge, England, United Kingdom
Le Mont-sur-Lausanne, Vaud, Switzerland
Leiden, South Holland, Netherlands
Zürich, Zurich, Switzerland
Santa Rosa, CA, USA
Switzerland
Amsterdam, Noord-Holland, Netherlands
Basel, Basel-Stadt, Switzerland
Freiburg im Breisgau, Baden-Württemberg, Germany
San Diego, CA, USA