1 Department of Pediatrics, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan; Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
2 Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
3 Graduate Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Taipei, Taiwan.
4 Department of Physiology & Biophysics, National Defense Medical Center, Taipei, Taiwan.
5 Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. Electronic address: ming.sandra@msa.hinet.net.