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Footnotes
Contributors All authors have contributed to this manuscript and fulfil the requirements for authorship.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests PG has been a medical expert for LFB (Laboratoire Français du Biofractionnement) and has received fees from Abbvie, Actelion, Boehringer Ingelheim France, Bouchara-Recordati, Novartis, Pfizer and Roche in the last 5 years. ATJM has received fees from Abbvie, Actelion, CSL Behring, Experf, Novartis and Shire and declares speaking fees from Astra-Zeneca and BMS in the last 5 years.
Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting or dissemination plans of this research.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; internally peer reviewed.