Ramos, M. A.; Pérez-Castañeda, T.; Jiménez-Riobóo, R. J.; Rodríguez-Tinoco, C.; Rodríguez-Viejo, J. Do tunneling states and boson peak persist or disappear in extremely stabilized glasses? Rec.Contr.Phys. 2015, 50 (3), 13-14.