Carpén, Timo
Gille, Evelina
Hammarstedt-Nordenvall, Lalle
Hansen, Johnni
Heikkinen, Sanna
Lynge, Elsebeth
Selander, Jenny
Mehlum, Ingrid Sivesind
Torfadottir, Jóhanna Eyrún
Mäkitie, Antti
Pukkala, Eero
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 9 May 2022
Accepted: 26 September 2022
First Online: 4 November 2022
Declarations
:
: The current study was based on data from existing registries and did not include any human intervention. The NOCCA study had ethics approvals and permissions as required in each of the participating countries at the time of data collection. The data were anonymized before using them in the analyses. Study participants were not contacted during the execution of the study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.