1. Medicines Sans Frontières-Netherlands, Amsterdam, The Netherlands.
2. Médecins Sans Frontières, Noma Children's Hospital, Sokoto, Nigeria.
3. Médecins Sans Frontières, Abuja, Nigeria.
4. International Centre for Antimicrobial Resistance Solutions, Copenhagen, Denmark.
5. Antimicrobial Research Unit, School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.
6. London School of Hygiene and Tropical Medicine, London, United Kingdom.
7. Department of Otolaryngology-Head and Neck Surgery, John Hunter Hospital and New South Wales, New Lambton Heights, New South Wales, Australia.
8. Department of Otolaryngology-Head and Neck Surgery, Tulane University, New Orleans, Louisiana, USA.
9. Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria.
10. Department of Dental and Maxillofacial Surgery, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria.
11. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye & Ear, Harvard Medical School, Boston, Massachusetts, USA.
12. Department of Surgery, University Teaching Hospital of Kigali, Kigali, Rwanda.