1. Department of Cardiology, Meram School of Medicine Hospital, Necmettin Erbakan University, Konya, Turkey.
2. Cardiology Clinic, Kahramanmaras Necip Fazil City Hospital, Kahramanmaras, Turkey.
3. Cardiology Clinic, Lokman Hekim Van Hospital, Van, Turkey.
4. Department of Cardiology, Ercis Government Hospital, Van, Turkey.
5. Department of Biochemistry, Dr Faruk Sükan Maternity and Children's Hospital, Konya, Turkey.
6. Department of Biochemistry, Selcuk University School of Medicine, Konya, Turkey.