[1] Univ Houston, Texas Inst Measurement Evaluat & Stat, 4849 Calhoun Rd, Houston, TX 77204 USA
[2] RAS, Vavilov Inst Gen Genet, Lab Human Genet, Moscow, Russia
[3] DO Otts Res Inst Obstet Gynecol & Reproductol, St Petersburg, Russia
[4] St Petersburg State Univ, Dept Psychol, St Petersburg, Russia