1 Department of Palliative Care, Hospital de Apoio de Brasília, Brasília, Brazil.
2 Department of Neurology, Tertiary Referral Center of Neuromuscular Diseases, Hospital de Apoio de Brasília, Brasília, Brazil.
3 Graduate Department of Health Sciences and Technologies, University of Brasília, Brasília, Brazil.
4 Palliative Care Program, Division of General Internal Medicine, Johns Hopkins Bayview Medical Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.