Conflict of interest
HHS has received honoraria for lectures and consulting from AbbVie,
Amgen, AstraZeneca, Astropharma, Bano Healthcare, Chiesi, FOPI, Gebro,
IIR, Janssen-Cilag, Lundbeck, MSD, Novartis, Pfizer, Roche,
Sanofi-Aventis, Shire, Vertex (past 5 years). All other authors declare
no conflicts of interest.