Values and preferences related to cancer risk among red and processed meat eaters : A pilot cross-sectional study with semi-structured interviews - Howatt, Victoria (Department of Community Health and Epidemiology. Dalhousie University) ; Prokop-dorner, A. (Chair of Epidemiology and Preventive Medicine. Department of Medical Sociology. Jagiellonian University Medical College) ; Valli, Claudia (Institut d'Investigació Biomèdica Sant Pau) ; Zajac, Joanna (Department of Hygiene and Dietetics. Epidemiology and Preventive Medicine. Jagiellonian University Medical College) ; Bala, Malgorzata M.. (Jagiellonian University Medical College, Krakow) ; Alonso-Coello, Pablo (Institut d'Investigació Biomèdica Sant Pau) ; Guyatt, G.H. (Department of Medicine. McMaster University) ; Johnston, Bradley C (Departments of Nutrition. Epidemiology and Biostatistics. Texas A&M University) ; Universitat Autònoma de Barcelona