1.
Scherpenzeel A, Axt K, Bergmann M, Douhou S, Oepen A, Sand G, Schuller K, Stuck S, Wagner M, Börsch-Supan A. Collecting survey data among the 50+ population during the COVID-19 outbreak: The Survey of Health, Ageing and Retirement in Europe (SHARE). SRM [Internet]. 2020Jun.2 [cited 2020Oct.24];14(2):217-21. Available from: https://ojs.ub.uni-konstanz.de/srm/article/view/7738