Correction: Evaluating the relation between serum apolipoprotein B (apo B), apolipoprotein A (apo A) and apo B/apo A ratio with diabetic retinopathy in a sample of type 2 Egyptian diabetic patient - Salwa Seddik Hosny; Merhan Samy Nasr; Moataz M. W. Abd Elfattah; Samar Helmy Abdel Dayem; Rana Hashem Ibrahim (SpringerOpen, 2023)