1. Centers for Behavioral and Preventive Medicine; Alpert Medical School at Brown University and The Miriam Hospital; Providence RI USA
2. Henry M. Goldman School of Dental Medicine; Boston University; Boston MA USA
3. Bradley/Hasbro Children's Research Center; Rhode Island Hospital, and Alpert Medical School at Brown University; Providence RI USA
4. Roger Williams University; Bristol RI USA
5. Environmental Health Sciences Division, School of Public Health; University of California; Berkeley CA USA
6. Department of Emergency Medicine; Rhode Island Hospital and Alpert Medical School at Brown University; Providence RI USA