Financial & competing interests disclosure
The author has received travel support and speaker’s fees from Almirall, Bayer Healthcare, Biogen Idec, Merck Serono, Novartis, Sanofi/Genzyme and TEVA Pharma. The author has no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
Writing assistance was provided by Content Ed Net (Madrid, Spain), with funding from Almirall SA (Barcelona, Spain).