Oulu Deaconess Institute, Department of Sports Medicine, Oulu, Finland
University of Oulu, Oulu, Finland
Oulu University Hospital, Oulu, Finland
Heikki Rantala, Oulu, Finland
University of Oulu, Oulu, Finland
Lahti Central Hospital, Lahti, Finland
Oulu University Hospital, Oulu, Finland
Central Hospital of Pori, Pori, Finland