1. Tsuchiya General Hospital, Nakaku, Hiroshima, Japan
2. Department of Renal Medicine, Counties Manukau District Health Board, New Zealand
3. Arbor Research Collaborative for Health, MI, USA
4. St Michael’s Hospital, University of Toronto, ON, Canada
5. Oita University Hospital, Yufu, Japan
6. Kawashima Hospital, Tokushima, Japan