Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
Sleep Medicine Center, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
School of Public Health, National Defense Medical Center, Taipei, Taiwan
Taiwanese Injury Prevention and Safety Promotion Association (TIPSPA)
Department of Medical Research, Tri-Service General Hospital, Taipei, Taiwan
Address correspondence to: Wu-Chien Chien, Department of Medical Research 7115R, National Defense Medical Center, Tri-Service General Hospital, No.325, Section 2, Cheng-Kung Road, Neihu District, Taipei City, 11490, Taiwan. Telephone: 886-2-87923311, Ext. 19189; Fax: 886-2-87927235; Email: [email protected]