Hamburg, Hamburg, Germany
Beckum, North Rhine-Westphalia, Germany
Kaiserslautern, Rheinland- Pfalz, Germany
Tübingen, Baden-Württemberg, Germany
Braga, Minho, Portugal
Madrid, Community of Madrid, Spain
Berlin, Berlin, Germany
Göttingen, Niedersachsen, Germany
Göttingen, Lower Saxony, Germany
Ulm, Germany
