Promoter Hypermethylation Frequency and BRAF Mutations Distinguish Hereditary Non-Polyposis Colon Cancer from Sporadic MSI-H Colon Cancer - A. McGivern; C.V.A. Wynter; V.L.J. Whitehall; T. Kambara; K.J. Spring; M.D. Walsh; M.A. Barker; S. Arnold; L.A. Simms; B.A. Leggett; J. Young; J.R. Jass (Familial Cancer, 2004)