CONFLICTS OF INTEREST: AG: Aguettant (Lyon, France), Alexion (Boston, MA, USA), Bayer Healthcare (Leverkusen, Germany), BMS-Pfizer (Princeton, NJ, USA), Boehringer Ingelheim (Ingelheim am Rhein, Germany), Sanofi (Paris, France), CSL Behring (King of Prussia, PA, USA), LFB (London, UK), Octapharma (Lachen, Switzerland), Stago (Asnières sur Seine Cedex, France), Viatris (Canonsburg, PA, USA); DGH: LFB, Octapharma, Chugai (Chuo, Tokyo, Japan), Boehringer Ingelheim, Bayer, Astrazeneca (Cambridge, UK); AM: i-SEP (Nantes, France), LFB, Aguettant, Viatris et Pfizer; SS: CorWave (Clichy, France), Chugai, Biomarin (San Rafael, CA, USA), Bioverativ (Waltham, MA, USA), CSL Behring, LFB, Pfizer, Novo-Nordisk (Bagsværd, Denmark), Sanofi, Shire (Lexington, MA, USA), Takeda (Tokyo, Japan), Siemens Healthiners (Erlangen, Germany), Stago and Sobi (Stockholm, Sweden).