Response to Siegel et al

Affiliations

• ¹ Los Angeles Cancer Surveillance Program, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA.
• ² Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles, Los Angeles, CA.
• ³ USC Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA.
• ⁴ University of Colorado, Denver, CO.