University Medical Center of the Johannes Gutenber Univeristy, Mainz, Germany
Setint Ai, Düzce, Turkey
CHU, Clermont-Ferrand, France
Erebouni Medical Centre, NICU, Yerevan, Armenia
Republican Institute of Reproductive Health, NICU, Yerevan, Armenia
Research Center of Maternal and Child Health Protection NICU, Yerevan, Armenia
Medical University of Gdansk, Gdańsk, Pomerania, Poland
Samodzielny Publiczny Szpital Kliniczny nr 1, Zabrze, Silesia, Poland
Samodzielny Publiczny Szpital Kliniczny nr 1, Zabrze, Silesia, Poland
Department of Cardiology and Angiology I, Heart Center Freiburg University, Freiburg, Germany
Samodzielny Publiczny Szpital Kliniczny nr 1, Zabrze, Silesia, Poland
CHU Clermont-Ferrand, Clermont-Ferrand, France
Affiliated Hospital of Academy of Military Medical Sciences, Beijing, Beijing, China
Peking University First Hospital, Beijing, Beijing, China
Peking University People's Hospital, Beijing, Beijing, China