Peripheral blood was collected in the supine position by venipuncture from the antecubital fossa by trained persons. Blood (4 mL) was collected into EDTA tubes and placed on ice, while another 6 mL was collected into SST tubes and allowed to clot for 20–30 min.
After fasting for blood sample collection and 30–60 min before running the physical fitness tests, scholars had a small breakfast consisting of liquid yogurt, one apple, and a small piece of sweet wheat bread.
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