East Germany

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Mid Germany

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• Braunschweig (2)
• Hannover (2)
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• Herford (1)

Northeast Germany

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• Potsdam/Brandenburg (1)

Northern Germany

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• Südheide (1)

Rhein-Main Area

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• Bonn (1)
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Ruhr Area

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Saarland

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South East Germany

South Germany

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• Ulm (1)

South West Germany

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• Tübingen (2)