1. Faculty of Medical Sciences Universidade de Pernambuco Rua Arnóbio Marquês, 310 Recife Pernambuco Brazil
2. Harvard Medical School Program in Global Surgery and Social Change Boston MA USA
3. Faculty of Medical Sciences Universidad Católica Argentina Buenos Aires Argentina
4. Universidade Federal de Ciências da Saúde de Porto Alegre Porto Alegre RS Brazil
5. Escola Bahiana de Medicina E Saúde Pública Salvador BA Brazil
6. Universidade Regional de Blumenau Blumenau SC Brazil
7. School of Medicine Kursk State Medical University Kursk Kurskaya Oblast Russia
8. School of Medicine União Educacional Do Vale Do Aço Ipatinga MG Brazil
9. Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton Canada
10. McGill University Montreal Canada
11. Harvey E. Beardmore Division of Pediatric Surgery The Montreal Children's Hospital, McGill University Health Center Montreal Canada