title: Erratum to: Exposure to polychlorinated biphenyl (PCB) congeners measured shortly after giving birth and subsequent risk of maternal breast cancer before age 50.
authors: Child Health and Development Studies, Public Health Institute, 1683 Shattuck Avenue, Ste. B, Berkeley, CA, 94709, USA. bcohn@chdstudies.org.
authors: Barbara A
authors: BA
authors: Cohn
authors: Department of Environmental Health Sciences, Mailman School of Public Health of Columbia University, New York, NY, USA.|Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY, USA.
authors: Mary Beth
authors: MB
authors: Terry
authors: Plumbline Coaching and Consulting, Inc., 2759 Park Street, Berkeley, CA, 94702, USA.
authors: Marj
authors: M
authors: Plumb
authors: Child Health and Development Studies, Public Health Institute, 1683 Shattuck Avenue, Ste. B, Berkeley, CA, 94709, USA.
authors: Piera M
authors: PM
authors: Cirillo