Risk of Premenopausal and Postmenopausal Breast Cancer among Multiple Sclerosis Patients

• Mohammadhossein Hajiebrahimi ,

  * E-mail: Mohammadhossein.Hajiebrahimi@ki.se

  Affiliations Clinical Epidemiology Unit, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden, Department of Public Health, Health Faculty, Golestan University of Medical Sciences, Gorgan, Iran

  http://orcid.org/0000-0001-8118-4988

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• Scott Montgomery,

  Affiliations Clinical Epidemiology Unit, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden, Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro, Sweden, Department of Epidemiology and Public Health, University College London, London, United Kingdom

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• Sarah Burkill,

  Affiliation Center for Pharmacoepidemiology & Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

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• Shahram Bahmanyar

  Affiliations Center for Pharmacoepidemiology & Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden, Department of Public Health, Health Faculty, Golestan University of Medical Sciences, Gorgan, Iran

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