1. Division of Nephrology; Department of Medicine; University of Mississippi Medical Center; Jackson Mississippi Hungary
2. Danville VAMC; Danville Illinois Hungary
3. Department of Mathematics; Louisiana State University Shreveport; Shreveport Louisiana Hungary
4. Department of Internal Medicine; School of Medicine; Louisiana State University Health Shreveport; Shreveport Louisiana Hungary
5. Overton Brooks Veterans’ Administration Medical Center; Shreveport Louisiana Hungary
6. Fresenius Medical Care; Semmelweis University; Budapest Hungary Hungary