1. Program in Rehabilitation Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil
2. Physiotherapy Department, Anhanguera University, Porto Alegre, RS, Brazil
3. Postgraduation program in Medicine: Hepatology, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil
4. Program of Post-graduation in Rehabilitation Sciences, Physiotherapy Department, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil