1. Department of Paediatrics, Obstetrics Gynaecology and Preventive Medicine and Public Health at the Universitat Autònoma de Barcelona Barcelona Spain
2. Programa de TTM y Dolor Orofacial, Facultad de Odontología Universidad Andrés Bello Santiago Chile
3. Epistemonikos Foundation Santiago Chile
4. Center for Integrative Global Oral Health School of Dental Medicine, University of Pennsylvania Philadelphia Pennsylvania USA
5. Department of Oral Health, Faculty of Medicine and Health Sciences University of Zimbabwe Harare Zimbabwe
6. Department of Pediatric Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Brazil
7. Temple University Libraries, Temple University Philadelphia Pennsylvania USA
8. Division of Libraries New York University New York New York USA
9. Instituto de Investigación en Ciencias Odontológicas (ICOD), Faculty of Dentistry University of Chile Santiago Chile
10. Department of Oral & Maxillofacial Surgery & Cochrane Associated Centre, Faculty of Dentistry University of Chile Santiago Chile
11. Hospital Clínico San Borja‐Arriarán Santiago Chile
12. Population Studies Center, School of Arts and Sciences (SAS) University of Pennsylvania Philadelphia Pennsylvania USA