Salonen, Päivi H.
Salonen, Juha H.
Säilä, Hanna
Helminen, Mika
Linna, Miika
Kauppi, Markku J.
Funding for this research was provided by:
Päijät-Hämeen Rahasto
Reumatautien Tutkimussäätiö
Article History
Received: 5 April 2019
Revised: 25 September 2019
Accepted: 2 October 2019
First Online: 16 November 2019
Compliance with ethical standards
: The coordinating ethics committee of Helsinki and Uusimaa Hospital District approved the study protocol (228/13/03/00/10) and the use of the Care Register for Health Care (HILMO) data.
: None.