1. Professor, M. E. Rinker Sr. School of Building Construction, College of Design, Construction, and Planning., Univ. of Florida, Gainesville, FL 32611-5701 (corresponding author).
2. Concentra, Inc., 5080 Spectrum Dr., Suite 400W, Addison, TX 75001; formerly, Statistician.
3. Data Analyst, Concentra, Inc., 5080 Spectrum Dr., Suite 400W, Addison, TX 75001.