Acknowledgement
This study was funded by Pfizer.
Disclosure statement
MK reports an unrestricted grant paid to the institution and study medication free of charge from Pfizer (Wyeth) during the conduct of the study, outside the submitted work. MK reports advisory board fees from Levicept, GlaxoSmithKline, AbbVie, Merck, and Pfizer, grants from IMI-EFpIA ApproACH, grants from Pfizer, and other from AbbVie. ACBJ is a full-time employee and holds shares at Nordic Bioscience. The other authors have no potential conflicts of interest to report.