Messerli-Bürgy, Nadine
Kakebeeke, Tanja H.
Meyer, Andrea H.
Arhab, Amar
Zysset, Annina E.
Stülb, Kerstin
Leeger-Aschmann, Claudia S.
Schmutz, Einat A.
Kriemler, Susi
Puder, Jardena J.
Munsch, Simone
Jenni, Oskar G.
Article History
Received: 8 January 2021
Accepted: 31 July 2021
First Online: 27 August 2021
Declarations
:
: The study was approved by the cantonal ethical committees of each study site (Kantonale Ethikkommison Bern (KEK BE 070/13), Ethikkommission Nordwest- und Zentralschweiz (EKNZ 2013/083), Kantonale Ethikkommision Zürich (KEK ZH 2013–0568) and the main department in Lausanne Commission cantonale d’éthique de la recherche sur l’être humain (CER VD 338/13)) and is in accordance with the Declaration of Helsinki. Parents gave written informed consent to participate in the study and children consented orally.
: Not applicable.
: The authors declare that they have no competing interests.