1. DEPARTMENT OF RADIOGRAPHIC TECHNIQUES, AL-TURATH UNIVERSITY COLLEGE, MINISTRY OF HIGHER EDUCATION & SCIENTIFIC RESEARCH, BAGHDAD, IRAQ
2. DEPARTMENT OF RADIOLOGY, ONCOLOGY TEACHING HOSPITAL, BAGHDAD MEDICAL CITY COMPLEX, MINISTRY OF HEALTH & ENVIRONMENT, BAGHDAD, IRAQ
3. DEPARTMENT OF RADIOLOGY, AL – SHAHEED GHAZI AL- HARIRI TEACHING HOSPITAL FOR SURGICAL SPECIALTIES, MEDICAL CITY COMPLEX, MINISTRY OF HEALTH & ENVIRONMENT, BAGHDAD, IRAQ