^aPharmaceutical Nutrition Research Group, Witney, Oxford, UK and ^bDepartment of Surgery of the Federal University of Parana, Curitiba, Brazil

Correspondence to Professor Gil Hardy, Pharmaceutical Nutrition Research Group, P.O. Box 110, Witney, Oxford, OX29 7FJ, UK Tel: +44 1993 709 752; fax: +44 1993 709 754; e-mail: [email protected]

Abbreviations

ASPEN: American Society of Parenteral and Enteral Nutrition

ESPEN: European Society for Clinical Nutrition and Metabolism

FELANPE: Latin American Federation of Parenteral and Enteral Nutrition

ICNSO: International Confederation of Nutrition Support Organisations

SBNPE: Brazilian Society of Parenteral and Enteral Nutrition