About the Authors

Li-Ting Kao

Contributed equally to this work with: Li-Ting Kao, Shih-Ping Liu

Affiliations Graduate Institute of Life Science, National Defense Medical Center, Taipei, Taiwan, Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan

Sudha Xirasagar

Affiliation Arnold School of Public Health, Department of Health Services Policy and Management, University of South Carolina, Columbia, South Carolina, United States of America

Kuo-Hsuan Chung

Affiliations Taipei Medical University Hospital, Department of Psychiatry, Taipei, Taiwan, Taipei Medical University, School of Medicine, Department of Psychiatry, Taipei, Taiwan

Herng-Ching Lin

These authors also contributed equally to this work.

Affiliations Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan, Taipei Medical University, School of Health Care Administration, Taipei, Taiwan

Shih-Ping Liu

Contributed equally to this work with: Li-Ting Kao, Shih-Ping Liu

Affiliation Department of Urology, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan

Shiu-Dong Chung

chungshiudong@gmail.com

These authors also contributed equally to this work.

Affiliations Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan, Division of Urology, Department of Surgery, Far Eastern Memorial Hospital, Ban Ciao, Taipei, Taiwan, School of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LTK SX KHC SPL HCL SDC. Analyzed the data: LTK SX HCL. Wrote the paper: LTK SX KHC SPL HCL SDC. Critical revision: LTK SX SPL HCL SDC.