Survival analysis of author keywords: An application to the library and information sciences area. - Fernanda Peset; Fernanda Garzón-Farinós; Luis Millan González Moreno; Xavier García-Massó; Antonia Ferrer-Sapena; José Luis Toca-Herrera; Enrique Alfonso Sánchez-Pérez (J. Assoc. Inf. Sci. Technol., 2020)