1. From the Department of Pediatrics, Chi-Mei Foundation Hospital, Liouying (Y-TW), Departments of Nuclear Medicine (N-TC), Internal Medicine (J-JH) and Pediatrics (H-HC, Y-YC), and Institute of Clinical Medicine, National Cheng Kung University Medical Center and College of Medicine (Y-YC), and Department of Nursing, Chung Hwa Institute of Technology (M-JC), Tainan, Taiwan