1. Department of Surgery, Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, Ontario;
2. Department of Reconstructive Plastic Surgery, Akiba Hospital, Urawa, Saitama, Japan;
3. Seoul Center for Developmental Ear Anomalies and the Department of Plastic and Reconstructive Surgery, Korea University Anam Hospital, Seoul, South Korea;
4. Division of Plastic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta;
5. Craniofacial and Pediatric Plastic Surgery, Department of Surgery, Cedars-Sinai Medical Center, Beverly Hills, California, USA;
6. Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Toronto;
7. Division of Plastic and Reconstructive Surgery, Department of Surgery, St Joseph Health Centre, Toronto, Ontario