1. Department of Medicine; University of Otago Christchurch; Christchurch New Zealand
2. Cochrane Renal Group; Sydney Australia
3. Sydney School of Public Health; University of Sydney; Australia
4. Amedeo Avogadro University of Eastern Piedmont; Novara Italy
5. Fondazione Mario Negri Sud; S. Maria Imbaro Italy
6. Diaverum; Lund Sweden