Leigh, J. Paul PhD; Marcin, James P. MD, MPH
From the Center for Healthcare Policy and Research (Drs Leigh and Marcin), and Departments of Public Health Sciences (Dr Leigh) and Pediatrics (Dr Marcin), University of California Davis School of Medicine, Davis, Calif.
Address correspondence to: J. Paul Leigh, PhD, Department of Public Health Sciences, UC Davis Medical School, One Shields Ave. Davis, CA 95616. Email: [email protected].
Disclosure: First author acknowledges partial support from the National Institute for Occupational Safety and Health (OH008248-01 and U54OH007550).
The authors declare no conflict of interest.