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Values are mean±SD. *p<0.05 indicates a significant difference between summer and winter. Summer, July 2012 (temperature, 25.8±1.7℃; relative humidity, 78.9±5.5%); Winter, January 2013 (temperature, –3.6±4.9℃; humidity, 69.7±11.6%); BSA, body surface area; BMI, body mass index.
