About the Authors

Ming-Chieh Tsai

Contributed equally to this work with: Ming-Chieh Tsai, Hsin-Chien Lee

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

Chao-Hung Chen

Affiliations Department of Cosmetic Applications and Management, Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan, Department of Thoracic Surgery, MacKay Memorial Hospital, Taipei, Taiwan

Hsin-Chien Lee

Contributed equally to this work with: Ming-Chieh Tsai, Hsin-Chien Lee

Affiliations Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan, Department of Psychiatry, Taipei Medical University Hospital, Taipei, Taiwan

Herng-Ching Lin

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

Cha-Ze Lee

czl@ntu.edu.tw

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCT CZL. Analyzed the data: H. Lin. Wrote the paper: MCT CZL CHC H. Lin H. Lee. CHC Literature review: MCT CHC CZL H. Lee.