COVID-19 Survey

We kindly ask you to fill and distribute questionnaires.
Here are links to international versions:
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German (Deutsch)
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English
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French (Français)
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Spanish (Español )
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Italian (Italiano)
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Turkish (Türkçe)
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Croatian (Hrvatski)
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Russian (Русский язык)
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Flemish Dutch (Vlaams-Nederlands)
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Persian (فارسی)
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Brazilian Portuguese (Português do Brasil)
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Slovenian (Slovenski Jezik)
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Korean (한국어/韓國語)
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Chinese (traditional) 正體字/繁體字
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Chinese (simplified)正体字/繁体字