About the Authors

Shiu-Dong Chung

Contributed equally to this work with: Shiu-Dong Chung, Ming-Chieh Tsai

Affiliations Division of Urology, Department of Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan, Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan

Ming-Chieh Tsai

Contributed equally to this work with: Shiu-Dong Chung, Ming-Chieh Tsai

Affiliations Division of Gastroenterology, Department of Internal Medicine, Cathay General Hospital, Taipei, Taiwan, School of Health Care Administration, Taipei Medical University, Taipei, Taiwan

Shih-Ping Liu

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

Herng-Ching Lin

Affiliation School of Health Care Administration, Taipei Medical University, Taipei, Taiwan

Jiunn-Horng Kang

jhk@tmu.edu.tw

Affiliations Department of Physical Medicine and Rehabilitation, Taipei Medical University Hospital, Taipei, Taiwan, Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SD MC HC JH. Analyzed the data: HC. Contributed to the writing of the manuscript: SD MC SD HC JH. Reviewed the literature: SD SP JH.