Arias-Alvarez, Marta Sopeña-Pinilla, Maria Fernandez-Espinosa, Guisela Orduna-Hospital, Elvira Rodriguez-Mena, Diego Pinilla, Isabel Early detection of retinal dysfunction in type 1 diabetes without retinopathy using multifocal electroretinography Sci. rep. (Nat. Publ. Group) 10.1038/s41598-025-89734-2 2025 2025