Ethical considerations
The study was part of a Ph.D. The paper was approved on June 1, 2021, by the Duhok General Health Directorate unit of the Scientific Research Directorate (registration number 01062021-5-1). Publication rights were granted to this study (reference number: 01062021-5-1). It also received administrative approval from Heevi Hospital. According to the Declaration of Helsinki, the parents of all children participating in the study were required to provide written informed consent prior to their children entering the study. No harmful interventions were performed in this study.