1. Laboratory of Stress Immunology, School of Sciences; Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS); Porto Alegre Brazil
2. National Institute of Science and Technology - Neuroimmunomodulation (INCT-NIM); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Brasília Brazil
3. Department of Psychiatry and Behavioral Sciences; The University of Texas Health Science Center at Houston; Houston Texas