1. Department of Medicine, Universidade do Extremo Sul Catarinense, Criciuma, Brazil
2. Department of Internal Medicine, Conjunto Hospitalar do Mandaqui, São Paulo, Brazil
3. Department of Medicine, Universidade Federal de Pelotas, Pelotas, Brazil
4. Department of Medicine, Faculdade de Medicina Souza Marques, Rio de Janeiro, Brazil
5. Department of Medicine, National University of Rosario-UNR, Rosario, Argentina
6. Department of Medicine, Escola Bahiana de Medicina e Saúde Pública, Salvador, Brazil
7. Department of Anesthesiology, Universidade Nova de Lisboa, Lisbon, Portugal