Brain Diseases

• Norrlands Universitetssjukhus — Umeå, Västerbotten County, Sweden

• VA Palo Alto Health Care System, Palo Alto, CA — Palo Alto, California, United States

• University of Malaya — Kuala Lumpur, Malaysia

• PET Center Schlieren — Schlieren, Canton of Zurich, Switzerland

• Vanderbilt University Medical Center, Department of Neurological Surgery — Nashville, Tennessee, United States

• Sunnaas rehabilitation hospital — Nesoddtangen, Norway

Not specified

• University of California, Irvine — Irvine, California, United States

• Danish Headache Center — Glostrup Municipality, Copenhagen, Denmark

• Helsinki University Hospital — Helsinki, Finland
• Skåne University Hospital — Lund, Sweden
• Karolinska University Hospital — Stockholm, Sweden