Bagnardi, V
Rota, M
Botteri, E
Tramacere, I
Islami, F
Fedirko, V
Scotti, L
Jenab, M
Turati, F
Pasquali, E
Pelucchi, C
Galeone, C
Bellocco, R
Negri, E
Corrao, G
Boffetta, P
La Vecchia, C
Article History
Received: 2 July 2014
Revised: 14 October 2014
Accepted: 18 October 2014
First Online: 25 November 2014
Change Date: 3 February 2015
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: The authors declare no conflict of interest.