[1] Univ Maryland, Baltimore, MD 21201 USA
[2] Latvian Biomed Res & Study Ctr, Riga, Latvia
[3] Ctr Hosp Univ Quebec, Quebec City, PQ, Canada
[4] James Madison Univ, Dept Chem Biochem, Harrisonburg, VA 22807 USA
[5] Univ Maryland, Sch Med, Dept Orthoped, Baltimore, MD 21201 USA
[6] NINDS, NIH, Bldg 36,Rm 4D04, Bethesda, MD 20892 USA
[7] Univ Maryland, Dept Biochem Mol Biol, Baltimore, MD 21201 USA