Multidisciplinary practical guidelines for gastrointestinal access for enteral nutrition and decompression from the society of interventional radiology and American Gastroenterological Association (AGA) institute, with endorsement by Canadian Interventional Radiological Association (CIRA) and Cardiovascular and Interventional Radiological Society of Europe (CIRSE) - Itkin, M; DeLegge, M H; Fang, J C; Interventional Radiology and American Gastroenterological Association; American Gastroenterological Association Institute; Canadian Interventional Radiological Association; Cardiovascular and Interventional Radiological Society of Europe (J Vasc Interv Radiol, 2011)