Acknowledgments
ROTH
The authors thank Patrick Lindauer and Pascal Schumacher for their help in conducting the study. The authors do not have a conflict of interest. This study was not funded by a funding organization. Author contributions: Research concept and study design: M. Keller, O. Faude, R. Roth; literature review and writing of the manuscript: M. Keller; data analysis and interpretation and statistical analyses: M. Keller and E. Lichtenstein; or reviewing/editing a draft of the manuscript: O. Faude, E. Lichtenstein, R. Roth.Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (