Wang, Zhiting https://orcid.org/0009-0007-6554-9001
Lavikainen, Piia https://orcid.org/0000-0003-3560-8860
Wikström, Katja https://orcid.org/0000-0002-8716-2875
Laatikainen, Tiina https://orcid.org/0000-0002-6614-4782
Funding for this research was provided by:
Strategic Research Council (312703, 336325)
Article History
Received: 8 April 2025
Accepted: 21 May 2025
First Online: 16 June 2025
Declarations
:
: Zhiting Wang, Piia Lavikainen, Katja Wikström, and Tiina Laatikainen have nothing to disclose.
: The Ethics Committee of the Northern Savonia Hospital District approved the use of register data in this study (diary number 81/2012; approval date 13/11/2012). We used only pseudonymized register-based data, and individuals in the registers were not contacted. In accordance with Finnish legislation, written consent from the patients was not required.