aCentre for Research into Cancer Prevention and Screening, Ninewells Hospital and Medical School, University of Dundee, Dundee, Scotland
bDivision of Gastroenterology, University of California San Francisco, San Francisco, California, USA
cFlinders Centre for Innovation in Cancer, Flinders University, Bedford Park (Adelaide), South Australia
dBowel Cancer Screening Hub – South of England, Royal Surrey County Hospital NHS Foundation Trust and University of Surrey, Guildford, Surrey, UK
Correspondence to Callum G. Fraser, PhD, Centre for Research into Cancer Prevention and Screening, Ninewells Hospital and Medical School, University of Dundee, Dundee DD1 9SY, Scotland Tel: +44 1382 553799; fax: +44 1382 425679; e-mail: callum.fraser@nhs.net
Received December 25, 2013
Accepted January 29, 2014