Krystal Andrew D
Director, Insomnia and Sleep Research Program, Professor of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Box 3309, Duke University Medical Center, Durham, NC, 27710, , FAX: 919-681-8744.
Sleep Med Clin. 2010 Dec 1;5(4):571-589. doi: 10.1016/j.jsmc.2010.08.010.