1 Department of General Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
2 Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
3 Department of Neurology, Changhua Christian Hospital, Changhua, Taiwan.
4 Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
5 Division of Hematology and Oncology Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.