1. Department of Speech, Language, and Hearing Sciences, The University of Texas at Austin
2. Department of Obstetrics and Gynecology, John Peter Smith Hospital, Fort Worth, TX
3. Department of Psychiatry, School of Medicine, University of Colorado, Aurora
4. Department of Pediatrics, School of Medicine, The University of Utah, Salt Lake City
5. Department of Surgery & Perioperative Care, The University of Texas at Austin