1. Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy University of Lleida Lleida Spain
2. Meta‐Analysis Unit, Department of Basic Psychology and Methodology University of Murcia Murcia Spain
3. Surgical Area, Hospital Clínic Barcelona Barcelona Spain
4. Doctoral School University of Lleida Lleida Spain
5. Health Care Research Group (GRECS) Biomedical Research Institute of Lleida Lleida Spain