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Jasna Macanovic, who worked at the QA for 17 years, had raised concerns about the way the trust was allowing some staff to deliver the dialysis technique - known as buttonholing.

When Dr Macanovic examined the records of 15 patients using the buttonholing technique at the QA, she found infection rates four times higher than they experienced using the standard technique.

Roles like game marketing, community management, user experience design, game analytics and QA testing are integral to a game’s success, he said.

"They just haven't changed their ways. They'll have to. There's no reason a QA needs to have a degree to do that job. We can train those people in months."

An alum of Queen Anne Little League after growing up in Seattle, Carroll returned to his roots by hosting a meet-and-greet for current QA Little League players and their families on Wednesday afternoon.