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Article History

Accepted: 5 November 2020

First Online: 23 November 2020

Declarations

:

: The study received no financial support for the design, data collection, data analysis, data interpretation, or writing. It did not interfere in the care received by patients.

: BP has received assistance for conference attendance from Merck and funding for academic training course from Genzyme. JS has received honoraria for lecturing, consulting or travel expenses from Biogen-Inc, Merck, Teva, Novartis, Roche and Sanofi-Genzyme. VG has received honoraria for speaking and subinvestigator in clinical trials from Genzyme, Novartis, Biogen Idec and Almiral. SSM has received funding for research projects or support as conference fees, mentoring, and assistance for conference attendance from Sanofi-Genzyme, Biogen, Roche, Merck-Serono, Novartis, Teva, Bayer, Almirall and Mylan. LCF has received funding for research projects as conference fees and assistance for conference attendance from Bayer, Biogen, Roche, Merck, Novartis, Almirall, Celgene, Biopas, Ipsen and Sanofi. COG has received speaker fees and/or has served on the advisory boards of Biogen, Celgene, Merck, Novartis, Roche, Sanofi-Genzyme and Teva. JMGD has received speaker fees or advisor honoraria from Biogen, Celgene, AbbVie, Sanofi, Almirall, Novartis, Roche, Teva and Merck. LB has received honoraria for lecturing, consulting or travel expenses from Bayer, Biogen-Idec, Merck, Teva, Novartis, Roche, Almirall and Genzyme. VML has received consulting or speaking fees from Almirall, Biogen, Genzyme, Merck Serono, Novartis, Roche, Terumo, Sanofi, Teva and Celgene. CM has received assistance for conference attendance from Novartis, Biogen Idec, Merck. IC has received funding for travel or speaker honoraria from Bayer, Biogen, Genzyme, Merck, Novartis, Roche, Sanofi and Teva, and research support from Teva. CLS has received funding for travel or speaker honoraria from Biogen, Genzyme and Novartis, and research support from Teva. ERG has received honoraria for lecturing or assistance for conference attendance from Bayer, Biogen, Merck, Teva, Novartis, Roche, Almirall and Sanofi-Genzyme. YA has received funding for research projects, conference fees, mentoring and assistance for conference attendance from Teva, Merck, Biogen, Roche, Merck, Novartis, Almirall and Sanofi. JPC has received funding for research projects from Biogen, and assistance for conference attendance from Biogen, Roche and Sanofi. MLM has received compensation for consulting and speaking fees from Merck, Biogen, Novartis, Sanofi-Genzyme, Almirall, Bayer, Roche and Teva. AO has received honoraria for lecturing, consulting or travel expenses from Merck, Biogen-Idec, Sanofi, Novartis, Bayer, Roche, Almirall and Teva. IMT has received honoraria for lecturing or assistance for conference attendance from Bayer, Biogen, Merck, Teva, Novartis, Roche, and Genzyme, and research grants from Novartis. IT, MGM, JDD, ALR, AC, PS, LA, HM, CAV, RB, JAGM, SU, LR, PP, PS y RG declare no conflicts of interest.

: This study was approved by The Ethical Committee of the Getafe University Hospital (Madrid, Spain), the Coordinator Center of the study.

: Informed consent was obtained from each participant.

: Not applicable.

: Qualified researchers may request access to study protocol, statistical analysis and patient level data. Patient’s data will be anonymized in order to protect the privacy of the participants.

: Not applicable.

: Design/conceptualization of the study: YA, BP, JS, VG, JAGM. Analysis/interpretation of the data: YA, BP, IT, CA. Drafting and revising the manuscript: YA, JS, BP, COG, JAGM. Statistical analysis: YA, BP, IT, CA. Acquisition of data and revising the manuscript for intellectual content: all authors. All authors give final approval of the manuscript.