1. Department of Endodontics, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey.
2. Department of Restorative Dentistry, Faculty of Dentistry, Akdeniz University Antalya, Turkey.
3. Department of Prosthodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey.
4. Department of Endodontics, Faculty of Dentistry, Karadeniz Technic University, Trabzon, Turkey.
5. Department of Endodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.