Study concept and design: All authors.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Pottegård, Henriksen, Stage.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Additional Contributions: We thank Jesper Hallas, MD, Kim Brøsen, MD, and Henrik Horneberg, BA (all with Clinical Pharmacology, University of Southern Denmark), for valuable comments on the manuscript. No financial compensation was provided.