Affiliation: | (1) Faculty of Arts and Sciences, Hallvard Eikas plass, Telemark University College, 3800 B? i Telemark, Norway;(2) Department of Laboratory Medicine, Telemark Hospital, 3710 Skien, Norway;(3) Department of Surgery, Telemark Hospital, 3710 Skien, Norway;(4) Department of Pathology, Ulleval University Hospital, Kirkeveien 166, 0407 Oslo, Norway |