High birth weight and perinatal mortality among siblings: A register based study in Norway, 1967-2011

• Petter Kristensen ,

  * E-mail: petter.kristensen@stami.no

  Affiliations Department of Occupational Medicine and Epidemiology, National Institute of Occupational Health, Oslo, Norway, Department of Community Medicine, Institute of Health and Society, University of Oslo, Oslo, Norway

  http://orcid.org/0000-0003-0469-5033

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• Katherine M. Keyes,

  Affiliation Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States of America

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• Ezra Susser,

  Affiliations Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States of America, New York State Psychiatric Institute, New York, NY, United States of America

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• Karina Corbett,

  Affiliation Department of Occupational Medicine and Epidemiology, National Institute of Occupational Health, Oslo, Norway

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• Ingrid Sivesind Mehlum,

  Affiliation Department of Occupational Medicine and Epidemiology, National Institute of Occupational Health, Oslo, Norway

  http://orcid.org/0000-0003-0830-284X

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• Lorentz M. Irgens

  Affiliations Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway, Medical Birth Registry of Norway, Norwegian Institute of Public Health, Bergen, Norway

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