1. Hammel Neurorehabilitation Centre and University Research Clinic Department of Clinical Medicine Aarhus University Hammel Denmark
2. Section of Orofacial Pain and Jaw Function Department of Dentistry and Oral Health Aarhus University Aarhus Denmark
3. Section for Periodontology Department of Dentistry and Oral Health Aarhus University Aarhus Denmark
4. Department of Dental Materials and Prosthodontics School of Dentistry São Paulo State University (UNESP) Araçatuba Brazil
5. JSS Dental College and HospitalJSS Academy of Higher Education and Research Mysore India