Haapasalo, Heidi http://orcid.org/0000-0001-6077-9560
Peltoniemi, Ulla
Laine, Heikki-Jussi
Kannus, Pekka
Mattila, Ville M.
Funding for this research was provided by:
Competitive State Research Financing of the Expert Responsibility Area of Tampere University Hospital (9R006 and 9R031)
Article History
Received: 20 December 2017
First Online: 3 May 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The study protocol has been approved by the Ethics Committee of Pirkanmaa District Hospital (approval number R11005).
: The study data were collected retrospectively from the medical records of the patients who were treated according the hospital treatment protocol, so informed consent was not needed.