Affiliation: | 1. Cardiology Division, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Parana, Brazil;2. Neuromuscular Service, Neurology Division, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Parana, Brazil;3. Department of Internal Medicine, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Parana, Brazil |