Chun-Ying Wenga, Yu-Hsun Changa, c, Ching-Feng Chenga, c, Shao-Yin Chua, b, c
a Department of Pediatrics, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
b Department of Medical Education, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
c Department of Medicine, Tzu Chi University, Hualien, Taiwan