Funding for this research was provided by:
H. Lundbeck A/S
Suomen Lääketieteen Säätiö
Jalmari ja Rauha Ahokkaan Säätiö
Emil Aaltosen Säätiö
Hyvinkää Hospital Area
Finnish Foundation for Psychiatric Research
Received: 6 February 2020
Accepted: 30 November 2020
First Online: 11 December 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Hospital District of Helsinki and Uusimaa and by the Hyvinkää Hospital Area. All participants gave a written informed consent.
: Not applicable.
: Saana Eskelinen has received Speaker Honoraria from Lundbeck, Otsuka and Sunovion, and has been a consultant for Finnish Lung Health Association. Janne Suvisaari and Jaana Suvisaari report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.