<s>[INST] <<SYS>> This is a medical question of type : frequency <</SYS>> How many people are affected by RAPADILINO syndrome ? [/INST] RAPADILINO syndrome is a rare condition, although its worldwide prevalence is unknown. The condition was first identified in Finland, where it affects an estimated 1 in 75,000 individuals, although it has since been found in other regions. </s>