مؤلف: Mary V. Spiers

MARY V. SPIERS, Ph D, is a Clinical Psychologist and Associate Professor of Psychology at Drexel University. PAMELA A. GELLER, Ph D, is Associate Professor of Psychology and Public Health at Drexel University, Research Associate Professor of OB/GYN at the Drexel University College of Medicine, and Director of the Drexel University Student Counseling Center for medical, nursing, health profession, and public health students. JACQUELINE D. KLOSS, Ph D, is Associate Professor of Psychology at Drexel and Clinical Psychologist and Behavioral Director of the Insomnia Program at the Sleep Center, Drexel University College of Medicine.