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March 22, 2022

The 2021 report on the field studies in Europe is now available.

March 22, 2022

The 2021 report on the field studies in China is now available.

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.