What is the life expectancy of a person with Adrenoleukodystrophy?

please tell me what is the life expectancy of a person with Adrenoleukodystrophy. please also cite sources. thanks a lot! =)

Without the wonderful finding of the parents of Lorenzo the life expectancy was terrible. But they came up with Lorenzo's oil to slow the brain's deteriations down. It was a miracle.

http://jnnp.bmj.com/cgi/content/extract/...