1 Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taiwan.
2 Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taiwan.
3 Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taiwan. Electronic address: oymj@adm.cgmh.org.tw.
4 Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taiwan. Electronic address: hsiaojc@cgmh.org.tw.