*Asthma and Allergy Affiliates, Salem

†Division of Allergy and Immunology, Boston Children’s Hospital

‡Harvard Medical School

§Boston College

∥Division of General Pediatrics, Pediatric Environmental Health Center, Boston Children’s Hospital

¶Region 1 New England Pediatric Environmental Health Specialty Unit, Boston, Massachusetts

This publication was supported (in part) by the National Institute of Environmental Health Sciences (NIEHS) of the National Institutes of Health (NIH) under Award Number K23ES031663 (Hauptman) and P30ES000002 (Hauptman). This study was also supported (in part) by the Agency for Toxic Substances and Disease Registry (ATSDR), cooperative agreement award number NU61TS000296 (to the Region 1 New England Pediatric Environmental Health Specialty Unit). The contents of this manuscript are the responsibility of the authors and do not necessarily represent the official views of the Agency for Toxic Substances and Disease Registry (ATSDR). The US Environmental Protection Agency (EPA) supports the Pediatric Environmental Health Specialty Units (PEHSU) by providing funds to ATSDR under Inter-Agency Agreement number DW-75-95877701. Neither EPA nor ATSDR endorse the purchase of any commercial products or services mentioned in PEHSU publications.

The authors declare that they have nothing to disclose.

Correspondence: Marissa Hauptman, MD, MPH, Harvard Medical School, Boston Children’s Hospital, Boston, MA. E-mail: [email protected]