Drs. Piven and Landa are Assistant Professors of Psychiatry
Dr. Folstein is Professor of Psychiatry, Ms. Wzorek and Ms. Gayle are Research Associates, and Ms. Cloud is Research Programmer, The Johns Hopkins University, School of Medicine, Department of Psychiatry, Baltimore, MD. Dr. Chase is Professor of Mental Hygiene, The Johns Hopkins University School of Hygiene and Public Health, Department of Mental Hygiene, Baltimore, MD