1 23 Applied Health Economics and Health Policy ISSN 1175-5652 Appl Health Econ Health Policy DOI 10.1007/s40258-013-0013-5 Time Costs Associated with Informal Care for Colorectal Cancer: An Investigation of the Impact of Alternative Valuation Methods Paul Hanly, Alan Ó. Céilleachair, Mairead Skally, Eamonn O’Leary, Anthony Staines, Kanika Kapur, Patricia Fitzpatrick, et al.