Source-specific nitrate and nitrite intakes and associations with sociodemographic factors in the Danish Diet Cancer and Health cohort.

"Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The author(s) declared that they were an editorial board member of Frontiers, at the time of submission. This had no impact on the peer review process and the final decision."

"The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This study was supported by the World Cancer Research Fund (IIG_FULL_2020_020) and Independent Research Fund Denmark (1030-00307B). The Danish Diet, Cancer and Health cohort is supported by the Danish Cancer Society. This work is supported by the Western Australian Future Health Research and Innovation Fund, an initiative of the Western Australian State Government. The salary of CB is supported by a Royal Perth Hospital Research Foundation ‘Lawrie Beilin’ Career Advancement Fellowship (ID: CAF 127/2020) and the Western Australian Future Health Research and Innovation Fund."