1 Department of Oncology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark; Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark; Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland.
2 Division of Biostatistics and Bioinformatics, University of Maryland Greenebaum Comprehensive Cancer Center, Baltimore, Maryland; Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland.