(2009-03-26) Helenius, Ilkka; Niemi-Murola, Leila; Remes, Ville; Turunen, Juha Pekka; Niemi-Murola, Leila; Hospital District of Helsinki and Uusimaa (HUS) - Helenius, Ilkka; Lääketieteellinen tiedekunta - Niemi-Murola, Leila; Hospital District of Helsinki and Uusimaa (HUS) - Remes, Ville; Finnish Medical Society Duodecim - Turunen, Juha Pekka; University of Helsinki. Faculty of Medicine - Niemi-Murola, Leila