The global, regional, and national burden of colorectal cancer and its attributable risk factors in 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017Saeid Safiri, Ibrahim R. Bou-Orm, Hamideh Salimzadeh et al.|The Lancet. Gastroenterology & hepatology|2019Cited by 434