1. 3700 E. Williams Field Rd., Gilbert, AZ 85295, USA
2. Advanced Orthopedics, 499 E. Central Pkwy, Ste. 130, Altamonte Springs, FL 32701, USA
3. Minimally Invasive Spine Center, Reina Sofía Clinic, Bogotá 104-76, Colombia
4. Department of Orthopaedics, Fundación Universitaria Sanitas, Bogotá 104-76, Colombia
5. Pain and Spine Minimally Invasive Surgery Service, Gaffre e Guinle University Hospital, Rio de Janeiro 20270-004, RJ, Brazil
6. Department of General and Specialized Surgery, Gaffrée e Guinle University Hospital, Federal University of the State of Rio de Janeiro (UNIRIO), Rio de Janeiro 20270-004, RJ, Brazil
7. Center for Advanced Spine Care of Southern Arizona, Tucson, AZ 85712, USA
8. Department of Orthopedics, Hospital Universitário Gaffre e Guinle, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20270-004, RJ, Brazil