The former Holland international told reporters: "That issue actually reinforced team spirit.

"We have prepared well and are highly motivated."

Five-time champions Cameroon will be anxious to get off to a winning start, with Ghana – the other heavyweight side in Group F – coming up next on Saturday. They then face Benin in their third group game.

Guinea-Bissau are making their second successive appearance in the finals after their group-stage exit in 2017.

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