BMC Psychiatry

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Seasonal changes, sleep length and circadian preference among twins with bipolar disorder

Reeta Hakkarainen*, Carolina Johansson, Tuula Kieseppä, Timo Partonen, Markku Koskenvuo, Jaakko Kaprio and Jouko Lönnqvist

BMC Psychiatry 2003, 3:6 doi:10.1186/1471-244X-3-6

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 28 Mar 2003
Reviewer's Report ANA ADAN 22 Apr 2003
Reviewer's Report Francesco Benedetti 28 Apr 2003
Reviewer's Report Francesco Benedetti 28 Apr 2003
Resubmission - Version 2 22 May 2003
Resubmission - Version 3 Manuscript Author's comment 22 May 2003
Reviewer's Report Francesco Benedetti 28 May 2003
Resubmission - Version 4 Manuscript Author's comment 04 Jun 2003
Published 09 Jun 2003