Conséquences graves du port du masque sur les enfants (étude internationale allemande)

Corona children studies "Co-Ki": First results of a Germany-wide registry

on mouth and nose covering (mask) in children

Silke Schwarz University of Witten/Herdecke

Ekkehart Jenetzky University of Witten/Herdecke

Hanno Krafft University of Witten/Herdecke https://orcid.org/0000-0002-8199-8874

Tobias Maurer University of Witten/Herdecke

David Martin ( David.Martin@uni-wh.de ) University of Witten/Herdecke