Kyllönen, Minna S.
Ebeling, Hanna
Kautiainen, Hannu
Puolakka, Kari
Vähäsalo, Paula
Funding for this research was provided by:
Pohjois-Pohjanmaan Rahasto
Lastentautien Tutkimussäätiö
Stiftelsen Alma och K. A. Snellman Säätiö
Päivikki ja Sakari Sohlbergin Säätiö
Article History
Received: 1 February 2021
Accepted: 1 May 2021
First Online: 2 July 2021
Declarations
:
: Permission to use the databases was obtained from the SII and the National Institute for Health and Welfare. According to Finnish legislation, no ethical committee approval or patients’ informed consent is required for register-based studies done without contacting study subjects.
: Not applicable.
: The authors declare that they have no competing interests.