Chronic Low Back Pain

• Anupam Hospital — Rudrapur, Uttarakhand, India
• Mother Cell Spinal Injury and Stem Cell Research, Anupam Hospital — Rudrapur, Uttarakhand, India

• Erika Rosangela Alves Prado — Maceió, Alagoas, Brazil

• Tempe, Arizona, United States
• La Mesa, California, United States
• Torrance, California, United States
• Fort Lauderdale, Florida, United States

• Campus UnB Ceilândia — Brasília, Brazil

• University of North Texas Health Science Center — Fort Worth, Texas, United States

• Pakistan Railway General Hospital — Rawalpindi, Punjab Province, Pakistan

• Hôpital Swynghedau, CHU — Lille, France

Not specified

• University of Lausanne Hospitals — Lausanne, Canton of Vaud, Switzerland

• Lexington VA Medical Center — Lexington, Kentucky, United States