Huttunen, Jukka http://orcid.org/0000-0001-9440-7917
Fraunberg, Mikael von und zu
Ikäheimo, Tiina-Mari
Jyrkkänen, Henna-Kaisa
Nissen, Mette
Leinonen, Ville
Salmenkivi, Jyrki
Malmivaara, Antti
Sirola, Joonas
Sund, Reijo
Funding for this research was provided by:
University of Eastern Finland (UEF) including Kuopio University Hospital
Article History
Received: 4 April 2022
Accepted: 1 June 2022
First Online: 17 June 2022
Declarations
: The manuscript submitted does not contain information about medical device(s)/drug(s).
: The PERFECT research database was approved by the Ethics Committee of the THL (THL 496/6.02.00/2011), and the respective authorities of the administrative registers approved the combining of the data. Researchers had access only to the anonymized data. We did not contact the patients during the study, and therefore informed consent was not required from the patients.
: The authors declare no competing interests.