About the Authors

Cantekin Iskender

c_iskender@yahoo.com

Affiliation Department of Perinatology, Dr Zekai Tahir Burak Research and Training Hospital, Ankara, Turkey

Oktay Kaymak

Affiliation Department of Perinatology, Dr Zekai Tahir Burak Research and Training Hospital, Ankara, Turkey

Kudret Erkenekli

Affiliation Department of Perinatology, Dr Zekai Tahir Burak Research and Training Hospital, Ankara, Turkey

Emin Ustunyurt

Affiliation Department of Obstetrics and Gynecology, Bursa Şevket Yılmaz Research and Education Hospital, Bursa, Turkey

Dilek Uygur

Affiliation Department of Perinatology, Dr Zekai Tahir Burak Research and Training Hospital, Ankara, Turkey

Halil Ibrahim Yakut

Affiliation Department of Neonatology, Dr Zekai Tahir Burak Research and Training Hospital, Ankara, Turkey

Nuri Danisman

Affiliation Department of Perinatology, Dr Zekai Tahir Burak Research and Training Hospital, Ankara, Turkey

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: OK EU CI DU. Contributed reagents/materials/analysis tools: KE OK HIY. Wrote the paper: CI ND. Designed the experiments: CI DU HIY EU.