Funding for this research was provided by:
University of Turku (UTU) including Turku University Central Hospital
Article History
First Online: 13 January 2020
Compliance with Ethical Standards
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1964, and its later amendments. The study was approved by the Joint Ethics Committee of the University of Turku and The Hospital District of Southwest Finland on 14th of June 2011. The trial was registered retrospectively in the ExternalRef removed (the reference number: NCT03413631). Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee on human experimentation and with the Helsinki Declaration of 1964, and its later amendments.