Lankila, Tiina
Laatikainen, Tiina
Wikström, Katja
Linna, Miika
Antikainen, Harri
Funding for this research was provided by:
Strategic Research Council at the Academy of Finland (312703, 312705, 312707, 336325, 336327 and 336329, 312703, 312705, 312707, 336325, 336327 and 336329, 312703, 312705, 312707, 336325, 336327 and 336329, 312703, 312705, 312707, 336325, 336327 and 336329, 312703, 312705, 312707, 336325, 336327 and 336329)
Article History
Received: 1 April 2022
Accepted: 9 November 2022
First Online: 30 November 2022
Declarations
:
: Permission to use the register data was obtained from the Finnish Institute for Health and Welfare. All methods were carried out in accordance with relevant guidelines and regulations of declaration of Helsinki. The Finnish legislation (Act 552/2019) do not require informed consent for register-based research when study is solely based on registers and the study is considered to be of public health importance.
: Not applicable.
: The authors declare that they have no competing interests.