1 “...The time required to translate each study was tracked. The original language versions...”

2 “...The time required to translate each study was tracked. The original language versions...”

3 “... in each of the motor and the language domains of the CLN2 Clinical Rating Scale. 2.2. has an aggregate...”

4 “... in each of the motor and the language domains of the CLN2 Clinical Rating Scale. 2.2. has an aggregate...”

5 “... malformations was null (pooled RR, 0.44 [95% CI, 0.16 to 1.22], k=5, n=961, I2 0%). Adverse reactions...”

6 “... to identify ongoing trials. We conducted ongoing surveillance through November 22, 2017 to identify any major...”

7 “... to identify ongoing trials. We conducted ongoing surveillance through November 22, 2017 to identify any major...”

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12 “... Trials; references of relevant publications, government Web sites. STUDY SELECTION: English-language...”

13 “... Trials; references of relevant publications, government Web sites. STUDY SELECTION: English-language...”

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15 “... English-language studies using a peer-reviewed search strategy. The following databases were searched...”

16 “... English-language studies using a peer-reviewed search strategy. The following databases were searched...”

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