Wang Fengyu, 26, would not have been crippled by chronic joint disease if he had been diagnosed with the rare genetic disorder hemophilia earlier in his life.

"I bleed easily and have bruises and swelling from time to time. However, I was not diagnosed and treated properly until I was 11 years old, which led to my permanent disability," he said.

Hemophilia is an inherited bleeding disorder in which the sufferer lacks the ability to stop bleeding because of low levels, or the complete absence, of specific proteins in the blood necessary for clotting.