1. Department of Histology and Embryology; Ege University; 35100 Izmir Turkey
2. Cord Blood; Cell-Tissue Application and Research Center; Ege University; 35100 Izmir Turkey
3. Division of Anthropology and Human Genetics; Biocenter; Ludwig-Maximilian-University of Munich; Grosshadernerstrasse 2 82152 Planegg-Martinsried Germany
4. Department of Molecular Animal Breeding and Biotechnology; Ludwig-Maximilian-University of Munich; Hackerstr. 27 85764 Oberschleissheim Germany
5. Department of Histology and Embryology; Bilim University School of Medicine; 34349 Istanbul Turkey
6. Department of Histology and Embryology; Gulhane Military Medical Academy; 06010 Ankara Turkey