Received: 24 November 2021
Accepted: 6 April 2022
First Online: 21 April 2022
: The concurrent joint Ethical Committee of the University of Turku and the Turku University Central Hospital approved the Health and Social Support study. The study was carried out according to the Declaration of Helsinki. Participants signed a written consent agreeing to a prospective follow-up. The use of data from the Health and Social Support study in our research did not require additional ethics approval but was granted by the study group led by the Principal Investigator, Professor Markku Koskenvuo. All study members had to sign a written commitment to data protection and all shared and analyzed data was before delivery pseudonymized.
: Not applicable.
: The authors declare that they have no competing interests.