Dr. Shelledy has served as a professor, respiratory care program director and respiratory care academic department chairman for over 25 years. He has taught patient assessment, both at the bedside and in the classroom to respiratory care students at St. Petersburg College, Georgia State University, Athens Technical College, Rush University, University of Arkansas for Medical Sciences, and the University of Texas Health Science Center at San Antonio. He currently holds appointment as Professor and Dean, School of Health Professions at The University of Texas Health Science Center, San Antonio, Texas. Dr. Jay Peters currently is the medical director of the Department of Respiratory Care at the University of Texas Health Science Center at San Antonio. Dr. Peters also serves as Professor and Chief of the Division of Pulmonary and Critical Care Medicine in the Department of Medicine at the University of Texas Health Science Center. Dr. Peters has published over 180 journal articles and abstracts and over 40 book chapters related to respiratory care.