1. Department of Plastic and Reconstructive Surgery, Great Ormond Street Hospital, London, United Kingdom
2. Director of Standardisation and Latin America, International Consortium for Health Outcomes Measurement, Mexico City, Mexico
3. Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
4. Division of Facial Plastic and Reconstructive Surgery, Harvard Medical School, Boston, Massachusetts
5. Section of Physical Therapy, Department of Orthopedics, Radboud University Medical Center, Nijmegen, the Netherlands
6. Oregon State University, Corvallis
7. Division of Plastic and Reconstructive Surgery, Hospital General Dr Manuel Gea Gonzalez, Postgraduate Division, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico
8. Department of Plastic and Maxillofacial Surgery, Royal Children’s Hospital, Melbourne, Victoria, Australia
9. The Hospital for Sick Children, Toronto, Ontario, Canada
10. Facial Retraining LLC, Madison, Wisconsin
11. Facial Nerve Clinic, Division of Otolaryngology–Head and Neck Surgery, University of Wisconsin Hospital and Clinics, Madison
12. La Paz University Hospital, Madrid, Spain
13. Patient representative, Brighton, East Sussex, United Kingdom
14. Johns Hopkins Hospitals, Baltimore, Maryland
15. Corneoplastic Unit, Queen Victoria Hospital NHS Foundation Trust, East Grinstead, United Kingdom
16. The Portland Hospital for Women and Children, London, United Kingdom
17. Facial Paralysis and Bell’s Palsy Foundation, Beverly Hills, California
18. Facial Nerve Center, Massachussetts Eye and Ear Infirmary, Boston
19. Department of Plastic Surgery, Helsinki University Hospital, Helsinki, Finland
20. Department of Plastic and Reconstructive Surgery, Kyorin University School of Medicine, Tokyo, Japan
21. Global Patients for Patient Safety, WHO Advisory Group, Mexico City, Mexico
22. California State Polytechnic University, Los Angeles
23. University College London, London, United Kingdom
24. The Royal Free Hospital, London, United Kingdom
25. Great Ormond Street Hospital, London, United Kingdom