[1] Chirurg Zentrum, HELIOS Klinikum Wuppertal, Zentrum Hereditare Tumorerkrankungen, Wuppertal, Germany
[2] Katharinenhosp Stuttgart, Klin Allgemein Viszeral Thorax & Transplantat Chi, Stuttgart, Germany
[3] Mayo Clin Arizona, Dept Hlth Sci Res, Scottsdale, AZ USA
[4] Royal Melbourne Hosp, Colorectal Med & Genet, Melbourne, Vic, Australia
[5] Mt Sinai Hosp, Zane Cohen Ctr Digest Dis, Toronto, ON M5G 1X5, Canada
[6] St Vincents Hosp, Hereditary Canc Clin, Sydney, NSW 2010, Australia