Fig. 2.
Schedule of study procedures. √○, children will be evaluated for WBS score (5, 10, 20, 30, 40, 50, 60, 90, 120, 150, and 180 min after the first dose) by researchers in the hospital; √△, children will be evaluated for WBS score (full 1, 2, 3, 4, 5 days) by the child’s parents/caregiver at home; √*, if there is an AE, the patient needs to be followed up for safety information till reach the endpoint of event