About the Authors

Yun-Ju Lai

Affiliations Division of Endocrinology and Metabolism, Department of Internal Medicine, Puli Branch of Taichung Veterans General Hospital, Nantou, Taiwan, Institute of Public Health and Community Medicine Research Center, National Yang-Ming University, Taipei, Taiwan, School of Medicine, National Yang-Ming University, Taipei, Taiwan

Hsi-Chung Chen

Affiliation Department of Psychiatry and Center of Sleep Disorders, National Taiwan University Hospital, Taipei, Taiwan

Pesus Chou

pschou@ym.edu.tw

Affiliation Institute of Public Health and Community Medicine Research Center, National Yang-Ming University, Taipei, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC HCC. Performed the experiments: PC HCC. Analyzed the data: YJL. Contributed reagents/materials/analysis tools: YJL HCC. Wrote the paper: YJL HCC.