Acknowledgment
The author thanks Jacquie Klesing, Board-certified Editor in the Life Sciences (ELS), for editing assistance with the manuscript. Ms. Klesing has no conflicts of interest to declare.
Declaration of interest
In the last three years HJ Möller has received honoraria for lectures or expert meetings from the following pharmaceutical companies: Lilly, Lundbeck, Schwabe, and Servier. 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.