1. Division of Nephrology, Universidade Federal de São Paulo, São Paulo, Brazil
2. Nefrología y Metabolismo Mineral, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
3. Renal Medicine and Baxter Novum, Department of Clinical Science, Intervention and Technology, Karolinska Institute Ringgold Standard Institution, Stockholm, Sweden
4. Department of Applied Nutrition, Universidade Estadual do Rio de Janeiro, Rio de Janeiro, Brazil
5. Nutrition programe, Universidade Federal de Sao Paulo, São Paulo, Brazil