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September 01, 2011
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April 01, 2011
Kenkoh by HappyFeetPlus - Kenkoh USA
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July 01, 2009
Kenkoh by HappyFeetPlus - Studio10TV
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April 01, 2009
Kyoto University results of research
Introduction of 「Verification of the sole stimulus using "healthy sandal" on a feeling of fatigue Randomized self-contrast controlled study」 research data
