There are errors in the author affiliations. The publisher apologizes for the error. The affiliations should appear as shown here:Vikki G. Nolan1, Kerri A. Nottage2, Elliott W. Cole1, Jane S. Hankins2, James G. Gurney1,31 Division of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA, 2 Department of Hematology, St. Jude Children’s Research Hospital, Memphis, TN, USA, 3 Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN, USA.