1. Clínica Dr. Jiménez Acosta; Las Palmas de Gran Canaria; Spain
2. Outpatient Care Unit; Hospital Universitario Donostia; San Sebastian; Spain
3. Department of Pathology; Hospital General Universitario Reina Sofía and Universidad de Murcia; Murcia; Spain
4. Department of Dermatology; Hospital General Universitario de Albacete; Albacete; Spain
5. Department of Bioengineering; Instituto Biodonostia; San Sebastian; Spain
6. Department of Vascular Surgery; Hospital Universitario Donostia; San Sebastian; Spain
7. Research Unit; Instituto Biodonostia; Hospital Universitario Donostia; San Sebastian; Spain