1. Department of Clinic Psicology, Psicobiology and Methodoloy; La Laguna University; Santa Cruz de Tenerife Spain
2. Health Services and Chronic Diseases Research Network (REDISSEC); Spain
3. Canary Islands Foundation of Health Research (FUNCANIS); El Rosario, Santa Cruz de Tenerife Spain
4. Spanish Network of Health Technology Assessment (RedETS); Spain
5. Center for Biomedical Research of the Canary Islands (CIBICAN); Santa Cruz de Tenerife Spain
6. BioCruces Bizkaia Health Research Institute; University Hospital of Cruces; Barakaldo Vizcaya Spain
7. Diabetic Foot Unit; La Paloma Hospital; Las Palmas de Gran Canaria Spain
8. Center for Biomedical Research of La Rioja (CIBIR); La Rioja Health Service; Logroño Spain
9. Pre-Departmental Nursing Unit; Nursing School, La Rioja University; Logroño Spain
10. Evaluation Service of the Canary Islands Health Service (SESCS); Canary Islands Health Service; El Rosario, Santa Cruz de Tenerife Spain