1 Department of Pediatrics, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
2 Department of Pediatrics, Far Eastern Memorial Hospital, New Taipei City, Taiwan; Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan.
3 Department of Pediatrics, Far Eastern Memorial Hospital, New Taipei City, Taiwan; Department of Nursing, Asia Eastern University of Science and Technology, New Taipei City, Taiwan. Electronic address: jao59@hotmail.com.