Low Back Pain

• Institute for Advanced Spinal Research In California — Beverly Hills, California, United States
• Century City Doctors Hospital — Beverly Hills, California, United States
• Seton Medical Center — Daly City, California, United States
• Yale University - School of Medicine — New Haven, Connecticut, United States

Not specified

• Ulleval Universtiy Hospital — Oslo, Norway

• Centro Universitário Fieo — Osasco, São Paulo, Brazil

• Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo — São Paulo, Brazil

Not specified

• School and Graduate Institute of Physical Therapy National Taiwan University — Taipei, Taiwan

• Research Site — Linköping, Sweden
• Research Site — Luleå, Sweden
• Research Site — Upssala, Sweden

• University of Nottingham — Nottingham, United Kingdom

• McMaster University — Hamilton, Ontario, Canada
• Canadian Memorial Chiropractic College — North York, Ontario, Canada