1. Department of Medicine, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark;
2. Department of Oncology, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark;
3. Department of Statistics and Pharmacoepidemiology, Danish Cancer Society Research Center, Danish Cancer Society, Copenhagen, Denmark;
4. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark