1. Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
2. Department of Nephrology, Centre Hospitalier Le Mans, Le Mans, France
3. Department of Medicine, Dubai Medical College, Dubai, United Arab Emirates
4. National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
5. Department of Nephrology, Moscow City Hospital n.a. S.P. Botkin, Moscow, Russian Federation
6. Department of Nephrology, Moscow State University of Medicine and Dentistry, Moscow, Russian Federation
7. Department of Nephrology, Russian Medical Academy of Continuous Professional Education, Moscow, Russian Federation
8. Division of Nephrology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada