General and Digestive Tract Surgery Department;
Salamanca University Healthcare Centre;
Anaesthesiology Department;
Complejo Asistencial de ávila;
New Therapies Laboratory;
Instituto de Investigación Sanitaria-Fundación Jiménez Díaz;
General and Digestive Tract Surgery Department;
Quiron-Salud Hospitals;
Surgery Department;
Universidad Autónoma;
Madrid;
Faecal; incontinence; Anal; sphincter; Cell; implantation; Tissue; engineering; Cell; therapy; Stem; cells;