Hashemian, Maryam
Farvid, Maryam S.
Poustchi, Hossein
Murphy, Gwen
Etemadi, Arash
Hekmatdoost, Azita
Kamangar, Farin
Sheikh, Mahdi
Pourshams, Akram
Sepanlou, Sadaf G.
Fazeltabar Malekshah, Akbar
Khoshnia, Masoud
Gharavi, Abdolsamad
Brennan, Paul J.
Boffetta, Paolo
Dawsey, Sanford M.
Reedy, Jill
Subar, Amy F.
Abnet, Christian C.
Malekzadeh, Reza
Funding for this research was provided by:
Division of Cancer Epidemiology and Genetics, National Cancer Institute
Article History
Received: 12 September 2018
Accepted: 6 March 2019
First Online: 18 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Institutional Review Boards of the U.S. National Cancer Institute (NCI), the International Agency for Research on Cancer (IARC), and the Digestive Disease Research Institute of the Tehran University of Medical Sciences (DDRI). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.