1. Oral and Dental Diseases Research Center, School of Dentistry, Kerman University of Medical Sciences, Kerman, Iran.
2. Endodontic Department, School of Dentistry, Yazd University of Medical Sciences, Yazd, Iran.
3. Neuroscience Research Center, Kerman University of Medical Sciences, Kerman, Iran.
4. School of Dentistry, University of Western Australia, Perth, Australia.
5. Endodontology Research Center, School of Dentistry, Kerman University of Medical Sciences, Kerman, Iran.