RecruitingPhase 2Drug trialAn Open-label Single Center, Proof of Concept Study Evaluating the Efficacy of Roflumilast Foam 0.3% in Pediatric Patients With Non-Segmental Vitiligo (NSV)An open-label single center, proof of concept study evaluating the efficacy of Roflumilast foam 0.3% in pediatric subjects with Non-Segmental Vitiligo (NSV)