Published on in Vol 6, No 10 (2018): October
1 Institute of Research and Innovation in Biomedical Sciences of the Province of Cadiz, Cádiz, Spain
2 The Observatory of Pain, University of Cádiz, Cádiz, Spain
3 Department of Statistics and Operational Research, University of Cádiz, Cádiz, Spain
4 Preventive Medicine and Public Health Area, Cádiz, Spain
5 Department of Nursing and Physiotherapy, University of Cádiz, Spain