Using mobile virtual reality simulation to prepare for in-person helping babies breathe training: secondary analysis of a randomized controlled trial (the eHBB/mHBS Trial) by Ezenwa, BN, Umoren, R, Fajolu, IB, Hippe, DS, Bucher, S, Purkayastha, S, Okwako, F, Esamai, F, Feltner, JB, Olawuyi, O, Mmboga, A, Nafula, MC, Paton, C, Ezeaka, VC