Helena Aparicio-Casares, Hospital Francisco Grande Covián, Parres, Asturias, Spain
María H. De la Puente-Rico, Hospital Francisco Grande Covián, Parres, Asturias, Spain
Covadonga Tomé-Nestal, Hospital Francisco Grande Covián, Parres, Asturias, Spain
Juan Mayordomo-Colunga, Hospital Universitario Central de Asturias, Oviedo. Asturias, Spain
Estíbaliz Garrido-García, Hospital Universitario Central de Asturias, Oviedo. Asturias, Spain
Cristina M. Suárez-Castañón, Hospital Francisco Grande Covián, Parres, Asturias, Spain