Regional Hemodynamic Effects of the N-(2-Benzoylphenyl)-L-tyrosine Peroxisome Proliferator-Activated Receptor-gamma Ligand, GI 262570 [(S)-2-(2-Benzoylphenylamino)-3-[4-[2-(5-methyl-2-phenyl-2-oxazol-4-yl)ethoxy]phenyl]propionic Acid], in Conscious Rats