Behavioral Symptoms

• Georgy Koychev M.D. — Sofia, Bulgaria
• Luchezar G Hranov M.D. — Sofia, Bulgaria
• Svetlozar H Haralanov Ph.D. — Sofia, Bulgaria
• Vihra Milanova M.D. — Sofia, Bulgaria

• Being Alive San Diego — San Diego, California, United States
• University of California, San Diego Medical Center — San Diego, California, United States

• Massachusetts General Hospital — Boston, Massachusetts, United States

• University of Washington, Department of Psychology, Behavior Research and Therapy Clinics — Seattle, Washington, United States

• Mayo Clinic — Rochester, Minnesota, United States

• Oregon Research Institute — Eugene, Oregon, United States

Not specified

• Medical University Graz; Department for Psychiatry — Graz, Styria, Austria

Not specified

• University of Pittsburgh Medical Center — Pittsburgh, Pennsylvania, United States