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Research Article

The Absolute Risk of Venous Thrombosis after Air Travel: A Cohort Study of 8,755 Employees of International Organisations

  • Saskia Kuipers,

    Affiliations: Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands, Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands

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  • Suzanne C Cannegieter mail,

    To whom correspondence should be addressed. E-mail: s.c.cannegieter@lumc.nl

    Affiliation: Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands

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  • Saskia Middeldorp,

    Affiliation: Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands

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  • Luc Robyn,

    Affiliation: Nestlé Medical Services, Vevey, Switzerland

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  • Harry R Büller,

    Affiliation: Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands

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  • Frits R Rosendaal

    Affiliations: Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands, Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands

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  • Published: September 25, 2007
  • DOI: 10.1371/journal.pmed.0040290

About the Authors

Saskia Kuipers, Suzanne C Cannegieter, Frits R Rosendaal
Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
Saskia Kuipers, Saskia Middeldorp, Harry R Büller
Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands
Luc Robyn
Nestlé Medical Services, Vevey, Switzerland
Frits R Rosendaal
Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands

Corresponding Author

Email: s.c.cannegieter@lumc.nl

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

SK helped to design and coordinate the study, collect and analyze the data, and write the report. SCC helped to design and coordinate the study, analyze the data, and write the report. SM helped to design the study and write the report. LR helped to design the study and write the report. HRB and FRR helped to design and coordinate the study and write the report.