1. Faculty of Nursing University of Cantabria Santander Spain
2. Nursing Research Group IDIVAL Santander Spain
3. Gerencia de Atención Primaria de Mallorca. Servicio Balear de Salud Islas Baleares Spain
4. Universidad Isabel I Burgos Spain
5. Servicio Cántabro de Salud. Santander Santander Spain
6. Nursing and Physiotherapy Department University of Illes Balears Santander Spain
7. SALBIS Research Group León Spain