Department of Environmental Physiology for Exercise, Graduate School of Medicine, Osaka City University, 3-3-138, Sugimoto, Sumiyoshi-ku, Osaka, Osaka, 558-8585, Japan. Department of Environmental Physiology for Exercise, Graduate School of Medicine, Osaka City University, 3-3-138, Sugimoto, Sumiyoshi-ku, Osaka, Osaka, 558-8585, Japan. yokoyama@sports.osaka-cu.ac.jp. Research Center for Urban Health and Sports, Osaka City University, 3-3-138, Sugimoto, Sumiyoshi-ku, Osaka, Osaka, 558-8585, Japan. yokoyama@sports.osaka-cu.ac.jp. Research Center for Urban Health and Sports, Osaka City University, 3-3-138, Sugimoto, Sumiyoshi-ku, Osaka, Osaka, 558-8585, Japan.