1. Are Grandchildren Good for You? Well-Being and Health Effects of Becoming a Grandparent Autoren: Leimer, Birgit; van Ewijk, Reyn Joris Typ: Zeitschriftenaufsatz
2. Schools Under Mandatory Testing Can Mitigate the Spread of SARS-CoV-2 Autoren: Isphording, Ingo E; Diederichs, Marc; van Ewijk, Reyn Joris; Pestel, Nico Typ: Zeitschriftenaufsatz