To investigate the prevalence and genotype-phenotype correlations of phosphatase tensin homolog induced putative kinase 1 (PINK1) variants in Parkinson's disease (PD) patients, we analyzed 1700 patients (842 familial PD 858 sporadic from Japanese origin). We screened entire exon exon-intron boundaries PINK1 using Sanger sequencing target by Ion torrent system. identified 30 with heterozygous va...