1. The Nephrology Group Inc, Fresno, CA, USA
2. Adventist Medical Center, Hanford, CA, USA
3. Interfaith Medical Center, New York, NY, USA
4. Great Plains Health, North Platte, NE, USA
5. Wise Health System, Decatur, TX, USA
6. Kaweah Delta Medical Center, Visalia, CA, USA
7. Ashland Bellefonte Cancer Center, Ashland, KY, USA