About the Authors

Ching-Ching Yang

cyang@tcust.edu.tw

Affiliation Department of Medical Imaging and Radiological Sciences, Tzu-Chi University of Science and Technology, Hualien, Taiwan

Fong-Lin Chen

Affiliation Department of Medical Physics, Koo Foundation Sun Yat-Sen Cancer Center, Taipei City, Taiwan

Yeh-Chi Lo

Affiliation Department of Radiation Oncology, Mount Sinai Medical School, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CCY FLC YCL. Performed the experiments: CCY FLC. Analyzed the data: CCY FLC. Contributed reagents/materials/analysis tools: CCY. Wrote the paper: CCY.