Financial & competing interests disclosure
Alba A Brandes acts as a consultant and holds an advisory role for Roche and Schering-Plough. Alba A Brandes has received honoraria from GlaxoSmithKline, Roche and Schering-Plough. The authors have 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.
No writing assistance was utilized in the production of this manuscript.