Design of a Phase 2 Randomized Controlled Trial and Long-Term Extension Study of Recombinant Human IGF-1/IGFBP-3 for Prevention of Comorbidities of Extreme Prematurity - Marlow, N.; Ley, D.; Hansen-Pupp, I.; Hallberg, B.; Ramenghi, L.; Smith, L.; Delaney, K.; Tocoian, A.; Mangili, A.; Jochim, E.; Barton, N.; Kreher, N.; Hellström, A. (American Journal of Perinatology, 2016)