[1] Univ Wisconsin, Dept Psychol, Madison, WI 53706 USA
[2] Univ Pittsburgh, Pittsburgh, PA USA
[3] Temple Univ, Philadelphia, PA 19122 USA
[4] Univ Calif Davis, Davis, CA 95616 USA
[5] Harvard Univ, Sch Med, Massachusetts Gen Hosp, Cambridge, MA 02138 USA
[6] Princeton Univ, Princeton, NJ 08544 USA
[7] NIMH, Bethesda, MD 20892 USA
[8] Univ Penn, Philadelphia, PA 19104 USA
[9] Univ Michigan, Ann Arbor, MI 48109 USA
[10] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[11] Columbia Univ, Coll Phys & Surg, New York, NY USA