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.