Division of Rheumatology;
Hospital das Clinicas HCFMUSP;
Faculdade de Medicina;
Universidade de Sao Paulo;
Sao Paulo;
Brazil;
Department of Infectious and Parasitic Diseases;
Hospital das Clinicas HCFMUSP;
Faculdade de Medicina;
Universidade de Sao Paulo;
Sao Paulo;
Brazil;
Dermatomyositis; Infectious; Myositis; Polymyositis; Tuberculosis;