[1
]The Skandion Clinic; 752 37 Uppsala Sweden
[2
]School of Health and Medical Sciences; Örebro University; 70182 Örebro Sweden
[3
]Department of Oncology; Faculty of Medicine and Health; Örebro University; 70182 Örebro
Sweden
[4
]Clinical Epidemiology and Biostatistics; School of Medical Sciences; Örebro University;
70182 Örebro Sweden
[5
]Unit of Biostatistics; Institute of Environmental Medicine; Karolinska Institutet;
17177 Stockholm Sweden
[6
]Medical Radiation Sciences; Department of Immunology, Genetics and Pathology; Uppsala
University; 751 85 Uppsala Sweden
[7
]Department of Medical Physics; Faculty of Medicine and Health; Örebro University;
70182 Örebro Sweden