Table S1.

List of ethical committees and approval numbers

Center	Committee name	Approval number
Heart Institute (Incor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo	Cappesq	1.267.294
State University of Campinas (Unicamp), São Paulo, Brazil	COMITÊ DE ÉTICA EM PESQUISA DA UNICAMP – CAMPUS CAMPINAS	1.142.117
Hospital del Tórax. Dr A Cetrángolo Buenos Aires, Argentina	Sala de Docencia e Investigaciôn	Vicente López, 20 de marzo de 2015
Hospital Octávio de Freitas Recife, Brazil	CAAE	42747215.2.1001.5200
Hospital de Messejana Fortaleza, Brazil	CAAE	42747215.2.1001.5200
Instituto Nacional del Tórax Santiago De Chile, Chile	CEC SSMO	23082016
Spain FACED database. Main research Center: Hospital General Universitario (Valencia)*	Comité ético y de investigación	0088-89-2011

Note:

^*This approval was obtained from the original database of FACED score, published in Eur Respir J. 2014;43:1357.