title: Response to noymer.
authors.affiliation: a School of Public Health , The University of Texas , 8550 Datapoint Drive , San Antonio , TX , 78255 Phone: E-mail: bradshaw@uthsca.edu.
authors.forename: Benjamin S
authors.initials: BS
authors.lastname: Bradshaw
authors.affiliation: b The University of Texas , School of Public Health , San Antonio , TX.
authors.forename: David W
authors.initials: DW
authors.lastname: Smith
authors.affiliation: c Our Lady of the Lake University , San Antonio , TX.
authors.forename: Stephen
authors.initials: S
authors.lastname: Blanchard