1. Department of Radiation Oncology
2. Department of Radiation Oncology, Loyola University Chicago, Stritch School of Medicine, Cardinal Bernardin Cancer Center, Maywood
3. Department of Radiation Oncology, MPMMCC/HBCH Varanasi Edward Hines Veteran Affairs Hospital, Chicago, IL
4. Department of Microbiology, Mahamana Pandit Madanmohan Malaviya Cancer Centre/Homi Bhabha Cancer hospital, Tata Memorial Centre, Varanasi, India