Vienna, Vienna, Austria
Berlin, Berlin, Germany
Marburg, Hessen, Germany
Stockholm, Stockholms län, Sweden
Frankfurt am Main, Hessen, Germany
Geltendorf, Bavaria, Germany
Hanover, Lower Saxony, Germany
Gießen, Hessen, Germany
Saint Petersburg, Saint Petersburg, Russian Federation
Amsterdam, Noord-Holland, Netherlands
Mainz, Rheinland-Pfalz, Germany
Montréal, Québec, Canada
