1. Research Unit, Hammel Neurorehabilitation Centre and University Research Clinic, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
2. Section of Orofacial Pain and Jaw Function, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark
3. Section of Periodontology, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark
4. JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysore, India