Development of a Japanese version of the Epworth Sleepiness Scale (JESS) based on item response theory.
Takegami M, Suzukamo Y, Wakita T, Noguchi H, Chin K, Kadotani H, Inoue Y, Oka Y, Nakamura T, Green J, Johns MW, Fukuhara S.
Takegami M, et al. Among authors: johns mw.
Sleep Med. 2009 May;10(5):556-65. doi: 10.1016/j.sleep.2008.04.015. Epub 2008 Sep 27.
Sleep Med. 2009.
PMID: 18824408
Clinical Trial.