Seinajoki Central Hospital, Seinäjoki, Finland
Oulu University Hospital, Oulu, Finland
Tampere University Hospital, Tampere, Finland
University of Oulu, Oulu, Finland
Turku University Hospital, Turku, Finland
Oulu Unversity Hospital, Oulu, Finland
Tampere University Hospital, Tampere, Finland
Lapland Central Hospital, Rovaniemi, Finland
Oulu university hospital, Oulu, Finland
Oulu University Hospital, Oulu, OYS, Finland
Univerisity of Oulu, Oulu, Finland
Mehiläinen, private practice, Oulu, Finland