FGF14 and Friedreich ataxia: Analysis of the FGF14 gene in 221 FRDA patient samples using long-range PCR and agarose gel detection identified 12 patients with FRDA (5.43%) with (GAA)>200 [one patient with (GAA)>300, 5 with (GAA)250-299, and 6 with (GAA)200-249].