1. Department of Physics; Science and Arts Faculty; Cukurova University; 01330 Adana Turkey
2. Department of Medical Physics; Velindre Cancer Centre; CF14 2TL Cardiff UK
3. Department of Physics; College of Science; Swansea University; SA2 8PP Swansea UK
4. School of Engineering; Cardiff University; CF24 3AA Cardiff UK
5. Department of Physics; Science Faculty; Akdeniz University; 07058 Antalya Turkey
6. Institute of Life Science; Medical School; Swansea University; Swansea SA2 8PP UK