Erratum. Issue 8 (28th February 2019) - Sarafidis, Pantelis; Ferro, Charles J; Morales, Enrique; Ortiz, Alberto; Malyszko, Jolanta; Hojs, Radovan; Khazim, Khaled; Ekart, Robert; Valdivielso, Jose; Fouque, Denis; London, Gérard M; Massy, Ziad; et al.