From the *Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro; †Physical Activity Sciences Postgraduate Program, Salgado de Oliveira University, Niteroi, Brazil; ‡Movement Disorders and Transcranial Magnetic Stimulation Unit, Hospital General Dr Manuel Gea González, Mexico City, Mexico; and §Department of Public Health Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy.
Received August 29, 2016; accepted after revision April 28, 2017.
Reprints: Rafael C. Freire, MD, PhD, Laboratory of Panic and Respiration, Federal University of Rio de Janeiro, Rua Visconde de Piraja 330/906, Rio de Janeiro, Rio de Janeiro, Brazil, 22410-000 (e-mail: [email protected]).
A.E.N. received a research grant for this study from the Brazilian Council for Scientific and Technological Development (CNPq), Brasilia, Brazil. The supporter had no role in the design, analysis, interpretation, or publication of this study.