[1] Univ Khartoum, Dept Biochem & Mol Biol, Fac Med, Khartoum, Sudan
[2] Rockefeller Univ, Lab Stat Genet, 1230 York Ave, New York, NY 10021 USA
[3] Penn State Coll Med, Dept Publ Hlth Sci, Hershey, PA USA
[4] Penn State Coll Med, Dept Stat, Hershey, PA USA
[5] Univ Maryland, Sch Med, Dept Psychiat, Mood & Anxiety Program, Baltimore, MD 21201 USA
[6] Vet Integrated Serv Network, Rocky Mt Mental Illness Res Educ & Clin Ctr Mirec, VA Capitol Hlth Care Network, Vet Integrated Serv Network VISN 5, Denver, CO USA
[7] Mental Illness Res Educ & Clin Ctr, VA Capitol Hlth Care Network, Vet Integrated Serv Network VISN 5, Baltimore, MD USA
[8] Thomas Jefferson Univ, Sidney Kimmel Med Coll, Dept Psychiat & Human Behav, Philadelphia, PA 19107 USA
[9] Creighton Univ, Sch Med, Div Endocrinol, Dept Med, Philadelphia, PA USA
[10] Bios Biotech Multidiagnost Hlth Ctr, Mol Biol Lab, Rome, Italy