1. Centre Hospitalier Rives de Seine, Courbevoie, France.
2. Department of Nursing and Physiotherapy, University of Cadiz, Cadiz, Spain.
3. Institute of Research and Innovation in Biomedical Sciences of the Province of Cadiz (INiBICA), University of Cadiz, Cadiz, Spain.
4. Department of Statistics and Operational Research, University of Cadiz, Cadiz, Spain.
5. Observatory of Pain, Grünenthal Foundation-University of Cadiz, Cadiz, Spain.
6. Department of Physiotherapy, University of Osuna, Seville, Spain.