About the Authors

Liping Fu

Affiliation Department of Nuclear Medicine, General Hospital of the Chinese People’s Liberation Army and Military Medical Postgraduate College, Beijing, China

Hongming Li

Affiliation National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China

Hui Wang

Affiliation Department of Nuclear Medicine, General Hospital of the Chinese People’s Liberation Army and Military Medical Postgraduate College, Beijing, China

Baixuan Xu

Affiliation Department of Nuclear Medicine, General Hospital of the Chinese People’s Liberation Army and Military Medical Postgraduate College, Beijing, China

Yong Fan

Affiliation National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China

Jiahe Tian

tianjh@vip.sina.com

Affiliation Department of Nuclear Medicine, General Hospital of the Chinese People’s Liberation Army and Military Medical Postgraduate College, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JT LF YF. Performed the experiments: LF HW BX JT. Analyzed the data: HL YF. Contributed reagents/materials/analysis tools: HL YF. Wrote the paper: LF YF JT.