About the Authors

Enchao Qiu

Affiliations Department of Neurology, Chinese PLA General Hospital, Beijing, People's Republic of China, Department of Neurology, The First Affiliated Hospital of Chinese PLA General Hospital, Beijing, People's Republic of China

Yan Wang

Affiliation Department of Radiology, Chinese PLA General Hospital, Beijing, People's Republic of China

Lin Ma

Affiliation Department of Radiology, Chinese PLA General Hospital, Beijing, People's Republic of China

Lixia Tian

Affiliation Department of Biomedical Engineering, School of Computer and Information Technology, Beijing Jiaotong University, Beijing, People's Republic of China

Ruozhuo Liu

Affiliation Department of Neurology, Chinese PLA General Hospital, Beijing, People's Republic of China

Zhao Dong

Affiliation Department of Neurology, Chinese PLA General Hospital, Beijing, People's Republic of China

Xian Xu

Affiliation Department of Radiology, Chinese PLA General Hospital, Beijing, People's Republic of China

Zhitong Zou

Affiliation Department of Radiology, Chinese PLA General Hospital, Beijing, People's Republic of China

Shengyuan Yu

yusy1963@126.com

Affiliation Department of Neurology, Chinese PLA General Hospital, Beijing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Collected cluster headache patients: SY RL ZD. Conceived and designed the experiments: SY LM. Performed the experiments: EQ. Analyzed the data: EQ LT. Contributed reagents/materials/analysis tools: YW LT RL ZD XX ZZ. Wrote the paper: EQ.