Measurement of 
Serum hsCRP, Fe and total iron‐binding capacity (TIBC) levels were evaluated using commercial kits (Pars Azmun, Iran; catalogue numbers: 1027015, 1,022,001, 1,022,032 respectively) with auto‐analyzer (Prestige 24i, Tokyo Boeki Ltd.). Serum ferritin values were quantified using an enzyme‐linked immunosorbent assay (ELISA kit; Diazist, Tehran, Iran; RRID:AB_10575316) according to the manufacturer's instructions. Each test was performed in duplicate.