[Australia] What voluntary assisted dying options are available for those with dementia?

[Australia] What voluntary assisted dying options are available for those with dementia? 
ABC News Melbourne, Australia; by Emily JB Smith; 5/24/25 
John Griffiths suspects his mind is starting to fail. It is a horrifying prospect for the father-of-three, former Monash University engineering lecturer and CSIRO research scientist. The Melbourne man spends much of his time with his wife Rachel, who lives in residential aged care, reading her poems and short stories. While doctors say he is all clear at the moment, he will be assessed for dementia in the next year. If he does develop the condition, he would rather die than let it take hold. But his options are limited. Although voluntary assisted dying (VAD) will be legal in every Australian jurisdiction except the Northern Territory by the end of this year, it remains entirely off-limits for people with dementia. ...