1. Faculty of Medicine, University of Brasilia, P.O. Box 4472, 70904-970 Brasilia, DF, Brazil
2. Getulio Vargas University Hospital, Federal University of Amazonas, 69020-170 Manaus, AM, Brazil
3. Faculty of Medicine, Federal University of Amazonas, 69020-160 Manaus, AM, Brazil
4. University Hospital of Brasilia, Pharmacy School, University of Brasilia, 70830-200 Brasilia, DF, Brazil
5. Department of Logistics, Executive Secretary, Ministry of Health of Brazil, 70058-900 Brasilia, DF, Brazil