These are the final dose for each group: Groups 1 and 2 (Final dose was not established); Group 3 ATV Capsule (520mg/m^2); Group 4 ATV Capsule (620mg/m^2); Group 5 ATV Powder (310mg/m^2) + RTV; Group 6 ATV Powder (310mg/m^2) +RTV; Group 7 ATV Capsule (205mg/m^2) + RTV; Group 8 ATV Capsule (205mg/m^2) + RTV; Group 5A ATV Powder (310mg/m^2) + RTV.