title: Comment on "Boson Peak in Deeply Cooled Confined Water: A Possible Way to Explore the Existence of the Liquid-to-Liquid Transition in Water".
authors.affiliation: Consiglio Nazionale delle Ricerche Istituto Officina dei Materiali, Operative Group in Grenoble (OGG) c/o Institut Laue Langevin, F-38042 Grenoble Cedex France.
authors.forename: F
authors.initials: F
authors.lastname: Formisano
authors.affiliation: Centre for Life Nano Science IIT@Sapienza Istituto Italiano di Tecnologia, I-00161 Roma, Italy.
authors.forename: S
authors.initials: S
authors.lastname: De Panfilis