Submitted for Publication: May 8, 2012; final revision received June 15, 2012; accepted July 13, 2012.
Author Contributions: Drs Kim and Park had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Kim, Lee, Hong, and Park. Acquisition of data: Kim, Lee, Hong, and Park. Analysis and interpretation of data: Kim and Park. Drafting of the manuscript: Kim. Critical revision of the manuscript for important intellectual content: Kim, Lee, Hong, and Park. Statistical analysis: Kim, Lee, and Hong. Obtained funding: Park. Study supervision: Park.
Financial Disclosure: None reported.
Funding/Support: This research was supported by a grant from Bio-industry Technology Development (111100-03-1-SB010), Ministry for Food, Agriculture, Forestry, and Fisheries, and BioGreen 21 Program (No. PJ009051062012), Rural Development Administration, Republic of Korea.
Role of the Sponsors: The sponsor had a role in the preparation of the manuscript.