1. University of Calicut, Department of Physics, Malappuram, Kerala, India
2. Kerala Institute of Medical Sciences, Cancer Care and Research Center, Department of Radiation Oncology, Thiruvanandapuram, Kerala, India
3. Bhabha Atomic Research Centre, Radiopharmaceuticals Division, Mumbai, India
4. Bhabha Atomic Research Centre, Nuclear Physics Division, Mumbai, India
5. Bhabha Atomic Research Centre, Raja Ramanna Fellow, Department of Atomic Energy, Mumbai, India