1. Department of Emergency Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
2. Division of Neurology, Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
3. Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
4. Department of Life Sciences, National Central University, Taoyuan 320, Taiwan
5. Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
6. Division of Infectious Disease, Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
7. Division of Infectious Disease, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
8. Division of Nephrology, Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
9. Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan