PPIB and thalassemia: Overall, we identified 83 carriers of four separate β‐thalassemia pathogenic variants: three β0‐thalassemia [CD22 (GAA→TAA), initiation codon (ATG→ACG), and IVS1‐3ʹ end del 25bp] and one β+‐thalassemia pathogenic variants (IVS‐I‐110 (G→A)).