1. Renal Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania;
2. Albany College of Pharmacy, Albany, New York, USA;
3. Hans Mak Institute, Naarden, The Netherlands;
4. Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India;
5. Renal Division, Baxter Healthcare Corporation, McGaw Park, Illinois, USA;
6. Department of Medical Microbiology, University Medical Center, Leiden, The Netherlands;
7. Department of Medicine & Therapeutics, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong;
8. Centre for Kidney Diseases, Mount Elizabeth Medical Centre, Singapore;
9. Division of Infectious Diseases, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA;
10. Division of Nephrology, Hospital Juan Canalejo, A Coruña, Spain;
11. Division of Nephrology, Hospital General de Zona #2, Instituto Mexicano del Seguro Social, Hermosillo, Mexico;
12. Pediatric Nephrology Division, University Children's Hospital, Heidelberg, Germany;
13. Renal Dialysis Treatment, Manchester Royal Infirmary, Manchester, United Kingdom