Open Access Pre-publication history

Validity of a self-administered food frequency questionnaire (FFQ) and its generalizability to the estimation of dietary folate intake in Japan

Junko Ishihara, Seiichiro Yamamoto, Hiroyasu Iso, Manami Inoue, Shoichiro Tsugane* and the JPHC FFQ Validation Study Group

Nutrition Journal 2005, 4:26 doi:10.1186/1475-2891-4-26

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 12 Jul 2005
Resubmission - Version 2 Manuscript Author's comment 06 Sep 2005
Resubmission - Version 3 Manuscript Author's comment 14 Sep 2005
Resubmission - Version 4 Manuscript Author's comment 04 Oct 2005
Published 05 Oct 2005