From the Department of Psychiatry (KAK), Stanford University School of Medicine, Stanford, CA; and Department of Psychiatry (JM, SLB, NR), University of California, and San Francisco VA Medical Center, San Francisco, CA.

Send correspondence and reprint requests to Nicholas Rosenlicht, MD, Department of Psychiatry, University of California, San Francisco, San Francisco VA Medical Center (116C), 4150 Clement St, San Francisco, CA 94121. E-mail: Nicholas.Rosenlicht@ucsf.edu.

Dr. Steven Batki has acted as Consultant to Gilead Sciences. No other conflicts of interest.

Received November 21, 2013

Accepted May 17, 2014