1. Internal Medicine Department, University Hospital of Badajoz, Badajoz, Spain
2. Internal Medicine Department, Dr. Negrín University Hospital of Gran Canaria, Las Palmas de Gran Canaria, Spain
3. Internal Medicine Department, Virgen Macarena University Hospital, Sevilla, Spain
4. Internal Medicine Department, Olot and Garrotxa Regional Hospital, Olot, Girona, Spain
5. Tissue Repair and Regeneration Laboratory (TR2Lab), School of Medicine, University of Vic-Central University of Catalonia, Vic, Barcelona, Spain
6. Internal Medicine Department, Juan Ramón Jiménez University Hospital, Huelva, Spain
7. Internal Medicine Department, Ramón y Cajal University Hospital, Madrid, Spain
8. Internal Medicine Department, Lucus Augusti University Hospital, Lugo, Spain
9. Internal Medicine Department, Manises Hospital, Manises, Valencia, Spain
10. Internal Medicine Department, University Hospital of Getafe, Getafe, Madrid, Spain
11. Internal Medicine Department, IMIBIC Reina Sofía University Hospital, Córdoba, Spain