Yan-Hua Sua, Chun-Ying Wengb, Yi-Chieh Sub, Shao-Yin Chua, b, c
a School of Medicine, Tzu Chi University, Hualien, Taiwan
b Department of Pediatrics, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
c Department of Medical Education, Buddhist Tzu Chi General Hospital, Hualien, Taiwan