1. Faculdade de Medicina, Universidade Federal do Rio Grande do Sul – UFRGS – Porto Alegre (RS) Brasil.
2. Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri – IRCCS – Tradate, Italia.
3. Public Health Consulting Group, Lugano, Switzerland.
4. Instituto de Doenças do Tórax – IDT – Faculdade de Medicina, Universidade Federal do Rio de Janeiro – UFRJ – Rio de Janeiro (RJ) Brasil.
5. Ambulatório de Tuberculose de Alvorada, Alvorada (RS) Brasil.
6. Ministerio de Salud Pública y Bienestar Social, Asunción, Paraguay.
7. Royal Hospital, Ministry of Health, Muscat, Sultanate of Oman.
8. TB and Acute Respiratory Diseases Section, Department of Communicable Diseases, Directorate General of Disease Surveillance and Control, Ministry of Health, Sultanate of Oman.
9. University Research Co. LLC, Manila, Philippines.
10. National Institute of Respiratory Diseases and the Environment – INERAM – Asunción, Paraguay.
11. Instituto Vaccarezza – UBA – Buenos Aires, Argentina.
12. Damien Foundation, Brussels, Belgium.
13. P.D. Hinduja National Hospital and Medical Research Centre, Mumbai, India.
14. Damien Foundation, Niamey, Niger.
15. National Tuberculosis Programme, Niamey, Niger.
16. Division of Infectious Diseases, Department of Medicine, National University Hospital, Singapore.
17. Department of Medicine, Infectious Disease Translational Research Programme, National University of Singapore, Yong Loo Lin School of Medicine, Singapore.
18. World Health Organization, Regional Office for the Eastern Mediterranean Region, Cairo, Egypt.
19. Clinical Epidemiology and Medical Statistics Unit, Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy.