Essen, North Rhine-Westphalia, Germany
Biel-Benken, Basel-Landschaft, Switzerland
Bottmingen, Basel-Country, Switzerland
Zurich, Canton of Zürich, Switzerland
Basel, Basel-Stadt, Switzerland
Berlin, Germany
Basel, Switzerland
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Zurich, Zurich, Switzerland
Basel-Stadt, Switzerland