Orit Kaidar-Person, MD, Associate Professor at Tel Aviv University Israel and the director of the Breast Cancer Radiation Therapy Unit at Sheba Medical Center, Ramat Gan, Israel.Ronald Chen, MD, MPH is the Joe and Jean Brandmeyer Endowed Professor, Chair of the Department of Radiation Oncology at the University of Kansas. Dr. Chen also serves as Associate Director of Health Equity at the University of Kansas Cancer Center.