1. Department of Biology Educations, Faculty of Education, Gazi University, Ankara, Turkey.
2. Department of Medical Genetics, Faculty of Medicine, Mevlana University, Konya, Turkey.
3. Division of Medical Biochemistry Laboratory, Golbasi State Hospital, Ankara, Turkey.
4. Department of Biochemistry Laboratory, Corum Training and Research Hospital, Corum, Turkey.
5. Department of Periodontology, Faculty of Dentistry, Adnan Menderes University, Aydın, Turkey.
6. Department of Medical Biology, Faculty of Medicine, Turgut Ozal University, Ankara, Turkey.
7. Department of Medical Biochemistry, Dumlupinar University Medical Faculty, Kutahya, Turkey.
8. Division of Chemistry, Ankara Regional Office of Council of Forensic Medicine, Ankara, Turkey.
9. University of California Davis Medical School, Department of Biochemistry and Molecular Medicine, Sacramento, California.