OSCP1 and laryngotracheoesophageal cleft: Although several factors associated with non-viral LC development have been reported (Hamed and Ali, 2013), our results are expected to facilitate research on the prediction and susceptibility of non-viral LC in Japanese patients, and may imply whether the genetic polymorphisms of the hOSCP1 gene are risk factors in the pathogenesis of non-viral LC or in the occurrence of non-viral LC in Japanese.