Chronic Pain

• National Cancer Institute — Cairo, Egypt

• Universidad Politécnica de Madrid — Madrid, Spain

• Jinnah Hospital — Lahore, Punjab Province, Pakistan

• Henry Ford Health System — Detroit, Michigan, United States

Not specified

• Universität Duisburg-Essen — Essen, Nordrhein-Westphalia, Germany

• Medical University of South Carolina — Charleston, South Carolina, United States

• Rehabilitation Research Chair — Riyadh, Saudi Arabia

• University of Illinois at Chicago — Chicago, Illinois, United States
• Seattle Cancer Care Alliance — Seattle, Washington, United States

• First St. Petersburg Pavlov State Medical University — Saint Petersburg, Russia