Prot# VX11-222-106: A Multicenter, Randomized, Double-blind, Placebo- Controlled, Phase 2b Study to Compare the Efficacy and Safety of Quadruple Therapy (VX-222, Telaprevir, Peginterferon-Alfa-2, Ribavirin) to Triple Therapy (with VX-222-Placebo) in Subje