Neck Pain

• Center for Translational Imaging, Northwestern University — Chicago, Illinois, United States

• Fighterwing Skrydstrup — Vojens, Denmark

• Alcalá University — Alcalá de Henares, Madrid, Spain

• Hilicopter Wing Karup — Karup, Denmark

• Changhua Christian Hospital Taiwan — Changhua, Taiwan

• Universidad Rey Juan Carlos — Alcorcón, Madrid, Spain

• University of Nevada Las Vegas - Department of Physical Therapy — Las Vegas, Nevada, United States

Not specified

• Chatham University — Pittsburgh, Pennsylvania, United States

• 13 Municipal Schools — Svendborg, Denmark