International Collaborators 

Center for Biostatistics, College of Public Health, Ohio State University, Columbus, OH, USA

Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA

Department of Epidemiology & Biostatistics, Erasmus University Medical Center, Rotterdam, The Netherlands

Department of Non-communicable Diseases, London School of Hygiene and Tropical Medicine, London, UK

Department of Epidemiology, Boston University School of Public Health, Boston, USA

Department of Epidemiology, University of California, Los Angeles (UCLA), School of Public Health, Los Angeles, CA, USA

Department of Medical and Surgical Sciences, Thromboembolism Unit, University of Padua, Italy

Department of Medicine, Division of Gastroenterology and Hepatology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA

Department of Medicine, Indiana University, IN, USA 

Department of Epidemiology, School of Public Health, University of Washington, WA, USA 

Department of Pathology, Division of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA

Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, USA

Department of Population Medicine, Harvard Medical School, Boston, MA,USA

EuroMedClen (INCLEN), Université Claude Bernard Lyon, Lyon, France

Leiden University Medical Center, Leiden, the Netherlands

Service de médecine interne et RECIF, CHU Nord, Amiens, France

Slone Epidemiology Unit, Boston University, Boston, MA, USA

Stanford Clinical Excellence Research Center, Stanford University, Stanford, CA, USA

The Norwegian Cancer Registry, Oslo, Norway

 The Norwegian Institute of Public Health, Oslo, Norway

University of California, San Francisco, CA, USA /California Pacific Medical Center Research Institute, CA, USA 

Lister Hill National Center for Biomedical Communications, US National Library of Medicine, National Institutes of Health, USA