Hämetoja, Hanna
Hagström, Jaana
Haglund, Caj
Bäck, Leif
Mäkitie, Antti
Syrjänen, Stina
Funding for this research was provided by:
Finska Läkaresällskapet
Helsingin ja Uudenmaan Sairaanhoitopiiri
Article History
Received: 29 March 2019
Revised: 13 June 2019
Accepted: 25 June 2019
First Online: 1 July 2019
Compliance with ethical standards
: Institutional Research Ethics Board approved the study concept (Dnro 31/13/03/02/2010, 01 February 2010) and Statistics Finland provided the dates and causes of death.
: The authors declare that they have no conflict of interest.