Received: 26 December 2019
Accepted: 26 December 2019
First Online: 28 January 2020
Compliance with ethical standards
: M. Lázaro AB: Janssen, Sanofi, Novartis, Astellas, BMS, Ipsen, MSD, Roche, Eusa, Takeda Travel/acommodation: Roche, MSD, Ipsen, Lilly. B. P. Valderrama Honoraria: Pierre-Fabre, Astellas, Novartis, BMS, Roche, Bayer, Ipsen. AB: Pierre-Fabre, Bayer, BMS, Sanofi, Astellas, BMS, Ipsen, Roche, MSD Travel, accomodation: Janssen, BMS, Pfizer. C. Suárez Personal financial interests: Astellas, AstraZeneca, Bayer, BMS, Eusa, Ipsen, Novartis, Pfizer, Sanofi-Aventis, Roche, MSD. G. de Velasco Honoraria: Pfizer, Ipsen. AB: Janssen, Pfizer, Novartis, Bayer, Astellas, BMS, Ipsen, MSD. Research funding: Ipsen. Other: Janssen. C. Beato Advisory board, consultancy and speaker, honoraria/travel support from BMS, Pfizer, Janssen, Astellas, EUSA pharma, Ipsen and Roche. I. Chirivella. Consultant or advisory board to Pzifer, Bristol-Myers Squibb, Ipsen, Roche and EusaPharma; has served as speaker to Pfizer, Bristol-Myers Squibb, EusaPharma and Ipsen; has received travel and/or accommodation grants from Pfizer. Aranzazu González-del-Alba reports Advisory Board, consultancy and speaker honoraria/travel support from Pierre Fabre, Roche, Bristol-Myers Squibb, MSD, Pfizer, Novartis, Bayer, Janssen, Sanofi, Astellas, EUSA pharma, Ipsen, EISAI and Astra-Zeneca, outside the submitted work. N. Laínez Ad. Boards: Pfizer, Sanofi, Ipsen, BMS, Roche, Astra Zéneca. M. J. Méndez Advisory Board, consultancy and speaker honoraria/travel support from: Roche, Bristol-Myers Squibb, MSD, Pfizer, Novartis, Bayer, Janssen, Sanofi, Astra Zeneca, Astellas, EUSA pharma, Ipsen, and EISAI outside submitted work. J. A. Arranz No regular salary, royalties, stocks, stock options, or intellectual property rights from pharmaceutical companies. Ocasional speaking or consulting fee from MSD, BMS, Roche, Astellas, Jansen, Pfizer, Merck and Bayer. Travel expenses from MSD, BMS, Astellas, Jansen. Research funding (SOGUG) from BMS, Pierre-Fabre, Novartis.
: The current study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: For this type of study formal consent is not required.