1. Department of Ophthalmology, Government Medical College and Hospital, Chandigarh, India
2. Department of Radiotherapy, Government Medical College and Hospital, Chandigarh, India
3. Radiopharmaceuticals Division, Radiochemistry and Isotope Group, Bhabha Atomic Research Centre, Mumbai, Maharashtra, India
4. Department of Radiology, Government Medical College and Hospital, Chandigarh, India
5. Department of Community Medicine, Government Medical College and Hospital, Chandigarh, India
6. Department of Pathology, Government Medical College and Hospital, Chandigarh, India
7. CSIR-Central Scientific Instruments Organisation (CSIO), Chandigarh, India
8. Department of Radiation Oncology, University of Southern California, Los Angeles, California, USA