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Jung H Kwak, Seung H Baek, Yongje Woo, Jae K Han, Byung Gon Kim, Oh Y Kim* and Jong H Lee*
* Corresponding authors: Oh Y Kim oykim@dau.ac.kr - Jong H Lee jhleeb@yonsei.ac.kr
Nutrition Journal 2012, 11:53 doi:10.1186/1475-2891-11-53