대상자의 제외 기준은 환아의 생명이 위기에 놓여 중환자실에 입원한 경우나 환아가 질병 말기 진단을 받았거나 완화 치료의 시기로 접어든 경우는 제외하였다.
Subjects were excluded from cases where the child's life was in danger and was hospitalized into the intensive care product, or the patient was identified with a terminal illness or joined the amount of palliative care.