Collecting survey data among the 50+ population during the COVID-19 outbreak: The Survey of Health, Ageing and Retirement in Europe (SHARE)
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A. Scherpenzeel | M. Bergmann | M. Wagner | A. Börsch-Supan | S. Douhou | Gregor Sand | Karin Schuller | Kathrin Axt | Andrea Oepen | Stephanie Stuck