Please check out this recent research article where infoQuant array CGH analysis suite was used: Polubothu, S., Zecchin, D., Al-Olabi, L. et al. Inherited duplications of PPP2R3B predispose to nevi and melanoma via a C21orf91-driven proliferative phenotype. Genet Med 23, 1636–1647 (2021)