1. Center for Materials Science, Zewail City of Science and Technology, 6th of October, 12578, Giza, Egypt
2. Aswan Heart Center, Aswan, Egypt
3. Magdi Yacoub Institute, Heart Science Centre, Imperial College, Harefield, Uxbridge UB9 6JH, UK
4. Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland