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The Authors Respond

Sallmén, Markku; Bonde, Jens Peter; Lindbohm, Marja-Liisa; Kristensen, Petter

doi: 10.1097/EDE.0000000000000458
Perinatal Epidemiology

From the aFinnish Institute of Occupational Health, Centre of Expertise for Health and Work Ability, Helsinki, Finland; bDepartment of Occupational and Environmental Medicine, Bispebjerg Hospital University of Copenhagen, Copenhagen, Denmark; cDepartment of Occupational Medicine and Epidemiology, National Institute of Occupational Health, Oslo, Norway; and dInstitute of Health and Society, University of Oslo, Oslo, Norway.

The authors report no conflicts of interest.

Correspondence: Markku Sallmén, Finnish Institute of Occupational Health, P.O. Box 40, FI-00251, Helsinki, Finland. E-mail:

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