1. Ferkauf Graduate School of Psychology Yeshiva University Bronx New York USA
2. Saul R. Korey Department of Neurology Albert Einstein College of Medicine Bronx New York USA
3. Montefiore Headache Center Montefiore Medical Center Bronx New York USA
4. Department of Neurological Sciences, Larner College of Medicine University of Vermont Burlington Vermont USA
5. Department of Neurology Weill Cornell Medicine New York New York USA
6. VA New York Harbor Healthcare System New York New York USA