add in kids first brain tumor cell line data

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data can be found here: https://lookerstudio.google.com/u/0/reporting/933d232a-b8dd-4801-8fe5-5e9214d2722b/page/p_kg1uszyf3c

still waiting on drug response data

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Drug response data is from a different metric - perhaps we can add in additional metrics?

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all here: https://data.mendeley.com/datasets/rnfs539pfw/3