In the original manuscript, the authors’ affiliations were incorrect. The proper affiliations are displayed below.B. Scott KesslerKestek, 4602 W 121st Street, Suite 111, Overland Park, KS 66209president@kestek.comA. Sherif El-GizawyIndustrial and Tech. Development Center, Department of Mechanical and Aerospace Engineering, University of Missouri—Columbia, Columbia, MO 65211Douglass E. SmithDepartment of Mechanical and Aerospace Engineering, University of Missouri—Columbia, E2411 Lafferre Hall, Columbia, MO 65211