1. Division of Allergy Immunology and Rheumatology; Department of Pediatrics; Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Kaohsiung Taiwan
2. Department of Obstetrics; Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Kaohsiung Taiwan
3. Department of Pediatrics; Chang Bing Show Chwan Memorial Hospital; Changhua Taiwan
4. Department of Pediatrics; Mackay Memorial Hospital; Taipei
5. Institute of Clinical Medicine; National Yang Ming University; Taipei