Parkkari, Jari
Mattila, Ville M.
Niemi, Seppo
Kannus, Pekka
Funding for this research was provided by:
Competitive State Research Financing of the Expert Responsibility Area of Tampere University Hospital (9N053, 9S047, 9T046, 9U044)
Article History
Received: 9 December 2019
Accepted: 20 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: Not applicable. Register study.
: Not applicable.
: We declare that all authors had: (1) No financial support for the submitted work from anyone other than their employer; (2) No financial relationships with commercial entities that might have an interest in the submitted work; (3) No spouses, partners, or children with relationships with commercial entities that might have an interest in the submitted work; (4) No Non-financial interests that may be relevant to the submitted work.