Tip fold-over in cochlear implantation: Case series - Zuniga, M G; Rivas, A; Hedley-Williams, A; Gifford, R H; Dwyer, R; Dawant, B M; Sunderhaus, L W; Hovis, K L; Wanna, G B; Noble, J H; Labadie, R F (Otol Neurotol, 2017)