1. Faculty of Medicine and Health, Department of Laboratory Medicine, Örebro University Hospital, Örebro, Sweden;
2. Faculty of Medicine and Health, School of Medicine, Örebro University, Örebro, Sweden;
3. Department of Medical Biosciences/Clinical Chemistry, Umeå University, Umeå, Sweden;
4. Faculty of Medicine and Health, School of Health, Örebro University, Örebro, Sweden