Author Contributions: Dr Atroshi had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Atroshi, Englund, and Petersson. Acquisition of data: Atroshi, Englund, and Petersson. Analysis and interpretation of data: Atroshi, Englund, Turkiewicz, Tägil, and Petersson. Drafting of the manuscript: Atroshi and Petersson. Critical revision of the manuscript for important intellectual content: Atroshi, Englund, Turkiewicz, Tägil, and Petersson. Statistical analysis: Atroshi, Englund, and Turkiewicz. Obtained funding: Atroshi and Petersson. Administrative, technical, and material support: Petersson. Study supervision: Englund and Petersson.