1. Gulf Breeze Hospital, Baptist Hospital, Pensacola, FL - USA
2. Methodist University Hospital, University of Tennessee Health Science Center, Memphis, TN - USA
3. University of Texas Tech Health Science Center El Paso, El Paso, TX - USA
4. Children's Hospital and Medical Center, Omaha, University of Nebraska Health Science Center, Omaha, NE - USA
5. Advocate Lutheran General Hospital, Park Ridge, IL - USA
6. Vidacare Corporation, Shavano Park, TX - USA