[1] Russian Acad Med Sci, Natl Res Ctr Med Genet, Moscow 115478, Russia
[2] Russian Med Acad Postgrad Med Educ, Moscow, Russia
[3] Cardiol Res Inst, St Petersburg, Russia
[4] Russian State Med Univ, Moscow 117437, Russia
[5] City Clin Hosp N1, Kirov, Russia
[6] Reg Childrens Hosp, Kirov, Russia