1. Medical College; Aga Khan University; Karachi Pakistan
2. Department of Pediatrics and Child Health; Aga Khan University; Karachi Pakistan
3. Afzaal Memorial Thalassemia Foundation; Karachi Pakistan
4. Laboratory and Clinical Department; Fatimid Foundation; Karachi Pakistan
5. Kashif Iqbal Thalassemia Care Centre; Karachi Pakistan
6. Paediatric Department; Salisbury District Hospital; Salisbury United Kingdom