Erratum: “Possible Polaron Effect in Complex Terahertz Conductivity of Electron-Doped Nanoporous Crystal 12CaO·7Al2O3” (Erratum: Possible polaron effect in complex terahertz conductivity of electron-doped nanoporous crystal 12CaȮ7Al2O3 (Journal of the Physical Society of Japan (2006) 75, (084715)))