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Serge Ibaka (L) of Raptors signs for a child at the Hospital for Sick Children in Toronto, Canada, Jan. 10, 2019. (Xinhua/Zou Zheng)

Serge Ibaka (L) of Raptors signs for a child at the Hospital for Sick Children in Toronto, Canada, Jan. 10, 2019. (Xinhua/Zou Zheng)