Mendelian Randomization and mediation analysis of leukocyte telomere length and risk of lung and head and neck cancers - Kachuri, Linda; Saarela, Olli; Bojesen, Stig Egil; Smith, George Davey; Liu, Geoffrey; Landi, Maria Teresa; Caporaso, Neil E; Christiani, David C; Johansson, Mattias; Eluf Neto, José (International journal of epidemiology, 2019)