Original sentence: The origins of the Brisbane International trace back to the early 1970s, when the Grand Prix tennis circuit, formed in 1970, and which ran concurrently with other tours as the World Championship Tennis circuit, decided to feature on its calendar an event in Australia's Queensland region, to develop a South West Pacific season around the Australian Open –then taking place in Brisbane– alongside other Oceanian events of Sydney, New South Wales, Australia; Hobart, Tasmania, Australia; and Auckland, New Zealand
Edited sentence: The origins of the Brisbane International trace back to the early 1970s, when the Grand Prix tennis circuit, formed in 1970, and which ran concurrently with other tours as the World Championship Tennis circuit, decided to feature on its calendar an event in Australia's Queensland region, to develop a South West Pacific season around the Australian Open –then taking place in Brisbane– alongside other Oceanian events of Sydney; Hobart; and Auckland