[1] Univ Massachusetts, Sch Med, Dept Cell Biol, Worcester, MA 01655 USA
[2] Univ Concepcion, Dept Biol Mol, Fac Ciencias Biol, Concepcion 4079100, Chile
[3] Wolf Greenfield & Sacks, Boston, MA 02210 USA
[4] Kyungpook Natl Univ, Sch Med, Skeletal Dis Genome Res Ctr, Dept Biochem & Cell Biol, Taegu 700422, South Korea