Table 1. Participants description.

	Brazil		Colombia		Ecuador
	n = 352		n = 389		n = 341
Type of institution	n	%	n	%	n	%
Public institutions	281	79.8	134	34.4	268	78.6
Private institutions	71	20.2	255	65.6	73	21.4
Professional group
Physician	2	0.6	238	61.2	294	86.2
Nurse	191	54.3	54	13.9	18	5.3
Nursing Assistant	145	41.2	23	5.9	3	0.9
Others	14	4.0	74	19.0	26	7.6
Work area
Emergencies	75	21.3	104	26.7	145	42.5
Hospital ward	91	25.9	126	32.4	78	22.9
Intermediate or Intensive Care Unit	40	11.4	63	16.2	33	9.7
Radiology services	9	2.6	20	5.1	10	2.9
Primary care	137	38.9	76	19.5	65	19.1
Works in an aerosol-generating service
Presence	206	58.5	293	75.3	256	75.1
Absence	146	41.5	96	24.7	75	22.0