[1] Univ Texas, Hlth Sci Ctr, Dept Orthopaed 7774, San Antonio, TX 78229 USA
[2] Univ Texas, Hlth Sci Ctr, Dept Periodont, San Antonio, TX 78229 USA
[3] Univ Texas, Hlth Sci Ctr, Dept Biochem, San Antonio, TX 78229 USA
[4] Univ Texas, Hlth Sci Ctr, Dept Med, San Antonio, TX 78229 USA
[5] Hebrew Univ Jerusalem, Hadassah Fac Dent Med, Dept Periodont, IL-91010 Jerusalem, Israel