1. DWS Spine Clinic Center, CENTRO EL ALBA-Cam. El Alba 9500, Of. A402, Región Metropolitana, Las Condes 9550000, Chile
2. Department of Orthopaedic Surgery, Faculdade de Medicina de Ribeirão Preto (FMRP) da Universidade de São Paulo (USP), Ribeirão Preto 14040-900, Brazil
3. Spirituality and Pain Committee of the Brazilian Society for the Study of Pain (SBED) Health Technologies and Medical Education, São Paulo 04014-012, Brazil
4. Bahiana School of Medicine and Public Health, Salvador 40290-000, Brazil
5. Instituto Traumatológico de Santiago, Clínica Alemana, Santiago 7560801, Chile