1. Department of Medicine and Therapeutics, Hammersmith Hospital, London, UK
2. Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong; Department of Nephrology, Hammersmith Hospital, London, UK
3. University of Queensland at Princess Alexandra Hospital, Brisbane, Australia; Renal Electrolyte Division, Hammersmith Hospital, London, UK
4. University of Pittsburgh School of Medicine Pittsburgh, PA, USA; Renal Division, Hammersmith Hospital, London, UK
5. Department of Medicine, Peking University First Hospital, Beijing, China; Pontifícia Universidade Católica do Rio Grande do Sul, Hammersmith Hospital, London, UK
6. FAENFI, Porto Alegre, Brazil; Division of Nephrology, Hammersmith Hospital, London, UK
7. Nagoya University Graduate School of Medicine, Nagoya, Japan; Division of Nephrology, Hammersmith Hospital, London, UK
8. Bezmialem Vakif University, Medical Faculty, Istanbul, Turkey; Pontifícia Universidade Católica do Paraná, Hammersmith Hospital, London, UK
9. Curitiba, Brazil; Elisabeth Tweesteden Hospital, Hammersmith Hospital, London, UK
10. Nephrology Department and Internal Medicine, Tilburg, Netherlands; and Imperial College Renal and Transplant Centre, Hammersmith Hospital, London, UK