From left to right: Carl H. June (© University of Pennsylvania) and Michel Sadelain (IMAGE)

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From left to right: Carl H. June (© University of Pennsylvania) and Michel Sadelain

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From left to right: Carl H. June (© University of Pennsylvania) and Michel Sadelain

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From left to right: Carl H. June (© University of Pennsylvania) and Michel Sadelain

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From left to right: Carl H. June (© University of Pennsylvania) and Michel Sadelain

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