1 Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. Valerie.luyckx@uzh.ch.
2 Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa. Valerie.luyckx@uzh.ch.
3 Institute of Biomedical Ethics and the History of Medicine, University of Zürich, Zürich, Switzerland. Valerie.luyckx@uzh.ch.
4 Department of Medicine, Washington University in Saint Louis, Saint Louis, MO, USA.
5 Clinical Epidemiology Center, Veterans Affairs Saint Louis Health Care System, Saint Louis, MO, USA.
6 Division of Nephrology & Immunology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada.
7 Division of Nephrology, Saint Louis University, Saint Louis, MO, USA.
8 Sección de Investigación, Servicio de Nefrología y Trasplante Renal, Hospital Universitario de Caracas, Caracas, Venezuela.
9 Wits Donald Gordon Medical Centre, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Witwatersrand, South Africa.
10 Nephrology Service, Hospital Civil de Guadalajara Fray Antonio Alcalde, University of Guadalajara Health Sciences Center, Hospital, 278, Guadalajara, Mexico.
11 Department of Paediatric Nephrology, St. John's National Academy of Health Sciences, Bangalore, India.
12 Nephrology and Hypertension Associates, Bluefield, WV, USA.
13 Renal Division, Ghent University Hospital, Ghent, Belgium.
14 Renal Unit, Department of Medicine, University of Nigeria Teaching Hospital, Enugu, Nigeria.
15 Division of Nephrology, Department of Medicine, Queen's University, Kingston, Ontario, Canada.
16 Munson Nephrology, Munson Healthcare, Traverse City, MI, USA.