NANETS treatment guidelines: well-differentiated neuroendocrine tumors of the stomach and pancreas - Kulke, M H; Anthony, L B; Bushnell, D L; de Herder, W W; Goldsmith, S J; Klimstra, D S; Marx, S J; Pasieka, J L; Pommier, R F; Yao, J C; Jensen, R T (Pancreas, 2010)