1. PF Beattie, PT, PhD, OCS, is Clinical Associate Professor, Program in Physical Therapy, Department of Exercise Science, School of Public Health, University of South Carolina, Columbia, SC 29208 (USA).
2. MB Pinto, PhD, is Assistant Professor of Marketing, School of Business, Penn State Erie, Erie, Pa
3. MK Nelson, PT, PhD, CPA, is Associate Professor, School of Business Administration Franklin & Marshall College, Lancaster, Pa
4. R Nelson, PT, PhD, FAPTA, is Vice President, Expert Clinical Benchmarks, MedRisk Inc, King of Prussia, Pa