1 Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan.
2 Department of Pediatrics, Division of Pediatric Allergy, Immunology and Rheumatology, National Taiwan University Hospital, Taipei, Taiwan.
3 Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Pediatrics, Division of Pediatric Allergy, Immunology and Rheumatology, National Taiwan University Hospital, Taipei, Taiwan.
4 Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan; College of Medicine, National Taiwan University, Taipei, Taiwan. Electronic address: losc@ntu.edu.tw.