Impact of healthcare services on thyroid cancer incidence among World Trade Center-exposed rescue and recovery workers

David G. Goldfarb, Hilary L. Colbeth, Molly Skerker, Mayris P. Webber, David J. Prezant, Christopher R. Dasaro, Andrew C. Todd, Dana Kristjansson, Jiehui Li, Robert M. Brackbill, Mark R. Farfel, James E. Cone, Janette Yung, Amy R. Kahn, Baozhen Qiao, Maria J. Schymura, Paolo Boffetta, Charles B. Hall, Rachel Zeig-Owens