Moritz, Stefan http://orcid.org/0000-0001-9503-9642
Gottschick, Cornelia http://orcid.org/0000-0002-5822-1055
Horn, Johannes
Popp, Mario
Langer, Susan
Klee, Bianca
Purschke, Oliver
Gekle, Michael
Ihling, Angelika
Zimmermann, Frank D. L. http://orcid.org/0000-0001-5165-6470
Mikolajczyk, Rafael
Funding for this research was provided by:
Federal States of Saxony and Saxony-Anhalt, Germany
Article History
Received: 5 January 2021
Accepted: 3 August 2021
First Online: 19 August 2021
Competing interests
: The authors declare no competing interests.
: The Ethics Committee of the Martin Luther University (Halle, Germany) approved the data collection for the RESTART-19 study (reference number 2020-095). The responsible authorities of the Federal State of Saxony (Saechsisches Staatsministerium fuer Soziales und gesellschaftlichen Zusammenhalt) provided special permission for the mass event. The Public Health Authority of the city of Leipzig approved the hygiene and safety practice for the event date.