The study [1] is from 2003 and has been cited over 1600 times. It had errata in 2004 published in the same journal (Sleep), but I haven't been able to find them

The study [1] is from 2003 and has been cited over 1600 times. It had errata in 2004 published in the same journal (Sleep), but I haven't been able to find them. [1] http://www.med.upenn.edu/uep/user_documents/VanDongen_etal_Sleep_26_2_2003.pdf http://www.med.upenn.edu/uep/user_documents/VanDongen_etal_S...