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March 26, 2021

The 2020 report on the field studies in Europe is now available.

March 25, 2021

The 2020 report on the field studies in China is now available.

April 9, 2020

The report on the field studies in the Netherlands, Belgium and France is now available.

March 23, 2020

The report on the field studies in China has been completed.

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