1 Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
2 Division of Pediatric Hematology-Oncology, Children's Hospital, China Medical University, Taichung, Taiwan; School of Post-baccalaureate Chinese Medicine, China Medical University, Taichung, Taiwan. Electronic address: d5284@mail.cmuh.org.tw.