2 Ferring Pharmaceuticals Poland Sp. z o. o., Warsaw, Poland.
3 Ginekologiczno-Polozniczy Szpital Kliniczny Uniwersytetu Medycznego im. K. Marcinkowskiego w Poznaniu, Poznan, Poland.
4 Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology" Ministry of Healthcare and Social Development of the Russian Federation, Moscow, Russia.