1. Unit of Statistics, Bioinformatics and Registry; Danish Cancer Society Research Center; Copenhagen Denmark
2. Section of Biostatistics, Department of Public Health, Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
3. CHICAS, Faculty of Health and Medicine; Lancaster University; Lancaster U.K.
4. Section of Environment and Radiation; International Agency for Research on Cancer (IARC); Lyon France
5. Centre for Research in Environmental Epidemiologi (CREAL); Barcelona Spain