1. Department of Pathology Baylor College of Medicine 6565 Fannin St. Houston, Texas 77030
2. Ultrasonics Laboratory Department of Radiology University of Texas Health Science Center 6431 Fannin St. Houston, TX 77030
3. Fletcher Allen Medical Center of Vermont The Univeristy of Vermont Burtington, VT 05401
4. Department of Radiology University of Kansas Medical Center Kansas City, KS 66160-7234