The authors and journal apologise for an error in the above paper, which appeared in volume 222 part 2, pages R39–R59. The error relates to the reference Stokkan & Reiter (1994) given on page R58.
The original reference provided:
Stokkan K-A & Reiter RJ 1994 Melatonin rhythms in arctic urban residents. Journal of Pineal Research 16 33–36. (doi:10.1111/j.1600-079X.1994.tb00079.x)
This reference should have read as follows:
Stokkan KA, Tyler NJC & Reiter RJ 1994 The pineal gland signals autumn to reindeer (Rangifer tarandus tarandus) exposed to the continuous daylight of the Arctic summer. Canadian Journal of Zoology 72 904–909. (doi:10.1139/z94-123)
