Who can help me disprove that gout (metabolic arthritis) is not caused by a vegan diet?

I’m trying to do research to disprove a popular myth that people who follow a vegan/vegetarian have have a higher risk of getting gout (metabolic arthritis). If some one could provide a link to a website that provides such information, I would greatly appreciate it.

Some articles you might like;

• Natural Gout Treatment – the Results of a Gout Diet That Had a Lot of Success