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Autor:
Franziska Hommes, Welmoed van Loon, Marlene Thielecke, Igor Abramovich, Sascha Lieber, Ralf Hammerich, Sabine Gehrke-Beck, Elisabeth Linzbach, Angela Schuster, Katja von dem Busche, Stefanie Theuring, Maximilian Gertler, Gabriela Equihua Martinez, Joachim Richter, Clara Bergmann, Alisa Bölke, Falko Böhringer, Marcus A. Mall, Alexander Rosen, Alexander Krannich, Jan Keller, Norma Bethke, Marco Kurzmann, Tobias Kurth, Valerie Kirchberger, Joachim Seybold, Frank P. Mockenhaupt, BECOSS Study Group
Publikováno v:
International Journal of Environmental Research and Public Health, Vol 18, Iss 2739, p 2739 (2021)
International Journal of Environmental Research and Public Health
Volume 18
Issue 5
International Journal of Environmental Research and Public Health
Volume 18
Issue 5
BackgroundBriefly before the first peak of the COVID-19 pandemic in Berlin, Germany, schools closed in mid-March 2020 for six weeks. Following re-opening, schools gradually resumed operation at a reduced level for nine weeks preceding the summer holi