1. Mehboob Sultan:
Department of Paediatric Cardiology, Armed Forces Institute of Cardiology and National Institute of Heart Diseases (AFIC/NIHD), Rawalpindi, Pakistan
2. Maad Ullah:
Department of Paediatric Cardiology, Armed Forces Institute of Cardiology and National Institute of Heart Diseases (AFIC/NIHD), Rawalpindi, Pakistan
3. Nadeem Sadiq:
Department of Paediatric Cardiology, Armed Forces Institute of Cardiology and National Institute of Heart Diseases (AFIC/NIHD), Rawalpindi, Pakistan
4. Khurram Akhtar:
Department of Paediatric Cardiology, Armed Forces Institute of Cardiology and National Institute of Heart Diseases (AFIC/NIHD), Rawalpindi, Pakistan
5. Hajira Akbar:
Department of Paediatric Cardiology, Armed Forces Institute of Cardiology and National Institute of Heart Diseases (AFIC/NIHD), Rawalpindi, Pakistan