Author Contributions: Dr Juo had full access to all 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: Wang, Chien, and Juo. Acquisition of data: Wang, Chien, Kuo, Tai, and Juo. Analysis and interpretation of data: Wang, Chien, Kuo, Tai, and Juo. Drafting of the manuscript: Wang, Chien, Kuo, Tai, and Juo. Critical revision of the manuscript for important intellectual content: Juo. Statistical analysis: Chien and Juo. Obtained funding: Wang, Kuo, and Tai. Administrative, technical, and material support: Chien, Kuo, Tai, and Juo. Study supervision: Wang, Chien, and Juo.