1. Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas. NOTE: At the time the manuscript was written, Dr. Pennel was with the Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania.
2. Department of Health Promotion and Community Health Sciences, School of Public Health, Texas A&M Health Science Center, College Station, Texas.
3. Center for Community Health Development, School of Public Health, Texas A&M Health Science Center, College Station. Texas.
4. Department of Recreation, Park and Tourism Sciences, Texas A&M University, College Station, Texas.
5. Educational Administration and Human Resource Development, Texas A&M University, College Station, Texas.