1. Department of Radiology, University of Connecticut Health Center, Farmington, CT, USA
2. Kansas City University, Kansas City, MO 64106, USA
3. SurgiCare of Manhattan, New York, NY 10017, USA
4. Department of Anesthesiology, National Taiwan University Hospital & National Taiwan University College of Medicine, Taipei, 10048, Taiwan
5. Precision Spine Care, Tyler, TX 75701, USA
6. Nexus Pain Care, Provo, UT 84604, USA
7. Pain Management, Ventura County Medical Center, Ventura, CA 93003, USA
8. GCC Institute Regenerative Medicine, Newport Beach, CA 92606, USA