Accepted for Publication: May 26, 2011.
Author Contributions: Drs H.-W. Tsai and Chen contributed equally to this work. Study concept and design: H.-W. Tsai, Chen, and Wang. Acquisition of data: Chao and S.-K. Tsai. Analysis and interpretation of data: H.-W. Tsai, Chen, Ho, Hseu, and Wang. Drafting of the manuscript: H.-W. Tsai, Chen, Ho, Hseu, Chao, S.-K. Tsai, and Wang. Critical revision of the manuscript for important intellectual content: Wang. Statistical analysis: H.-W. Tsai, Chen, and Wang. Obtained funding: Chao and Wang. Administrative, technical, and material support: H.-W. Tsai, Chen, Ho, Hseu, S.-K. Tsai, and Wang. Study supervision: Wang.
Financial Disclosure: None reported.
Funding/Support: This work was supported in part by grants V99-C1-085, V99-C1-166, V99F-014, and V99-A-065 from the Taipei Veterans General Hospital and grants CI-97-6 and CI-99-7 from the Yen-Tjing-Ling Medical Foundation.
Previous Presentation: This paper was presented at the 39th Global Congress of Minimally Invasive Gynecology of the American Association of Gynecologic Laparoscopists; November 9, 2010; Las Vegas, Nevada; and the XXII Asian and Oceanic Congress of Obstetrics and Gynecology; September 26, 2011; Taipei, Taiwan.