[1] Pfizer Inc, Istanbul, Turkey
[2] Adelphi Real World, Bollington, England
[3] Pfizer Inc, Groton, CT USA
[4] Cent State Med Acad, Moscow, Russia
[5] Lomonosoc Moscow State Univ, Moscow, Russia
[6] Med Univ Gdansk, Gdansk, Poland
[7] Med Univ Poznan, Poznan, Poland