1. Department of Diagnostic Sciences Center for Orofacial Pain and Temporomandibular Disorders Rutgers School of Dental Medicine Newark NJ USA
2. Center for Research in Epidemiology, Economics and Oral Public Health (CIEESPO) Faculty of Dentistry Universidad de La Frontera Temuco Chile
3. Faculty of Dentistry Universidad San Sebastian Puerto Montt Chile
4. Department of Integral Adult Care Dentistry Temporomandibular Disorder and Orofacial Pain Program Sleep & Pain Research Group Faculty of Dentistry Universidad de La Frontera Temuco Chile