1. Department of Radiography and Radiological Sciences, Nnamdi Azikiwe University, Awka, Nigeria
2. Department of Human Physiology and Department of Medical Rehabilitation, Nnamdi Azikiwe University, Awka, Nigeria
3. Department of Radiology, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria
4. Department of Radiology, Central Hospital, Kwale, Nigeria