Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)

Merck Research Laboratories, Department of Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Rahway, New Jersey (T.V.N., R.E.); Hepregen Corporation, Medford, Massachusetts (O.U., O.I.); Colorado State University, Fort Collins, Colorado (S.R.K.); Agios Pharmaceuticals, Cambridge, Massachusetts (M.M.); University Of Massachusetts Medical School, Department of Molecular Medicine, Worcester, Massachusetts (C.K); and Merck Research Laboratories, Department of Bioanalytics, Palo Alto, California (W.S., G.A)