Received: 10 December 2019
Accepted: 18 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The protocol conformed to the ethical guidelines of the 1975 Declaration of Helsinki and was approved by the Ethics Committee of the Hospital Universitario Central de Asturias (Approval No. 120/19). No specific individual consent was obtained regarding the publication of data due to the retrospective nature of the publication.
: Not applicable.
: Pipa-Muñiz M, Sanmartino S, Mesa A, Cadahía V, Rodríguez JE, Vega F, and Costilla-García SM: none. Álvarez Navascués C: speaking fees and advisory roles for Gilead, Abbvie, and Intercept. González-Dieguez ML: speaker fees from Gilead, Abbvie and Novartis and consultancy fees from Gilead. Manuel Rodríguez M: speaking fees and advisory fees from Gilead, Abbvie, Intercept, and MSD. Varela M: speaker fees from Bayer and Gilead; consultancy fees from Roche, Bristol-Myers-Squibb, SIRTEX, Bayer, IPSEN, and BTG-Boston.