title: Multidimensional approach to classifying chronic pain conditions--less is more.
authors.affiliation: Psychiatry and Pain Program; Laboratory of Pain and Neuromodulation; Pain and Palliative Care Service; Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil; Post-Graduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil. Electronic address: zeaah1918@gmail.com.
authors.forename: Alexandre Annes
authors.initials: AA
authors.lastname: Henriques
authors.affiliation: Post-Graduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Laboratory of Pain and Neuromodulation, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
authors.forename: Jairo A
authors.initials: JA
authors.lastname: Dussán-Sarria
authors.affiliation: Post-Graduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Laboratory of Pain and Neuromodulation; Pain and Palliative Care Service Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
authors.forename: Leonardo M
authors.initials: LM
authors.lastname: Botelho
authors.affiliation: Post-Graduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Laboratory of Pain and Neuromodulation; Pain and Palliative Care Service; Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
authors.forename: Wolnei
authors.initials: W
authors.lastname: Caumo
mesh_terms: D059350:Chronic Pain / Q000145:classification* / Q000175:diagnosis*; D006801:Humans; D010147:Pain Measurement / Q000379:methods*