1 School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Postgraduate Program on Genetics and Molecular Biology, UFRGS, Porto Alegre, RS, Brazil.
2 Medical Genetics Service, HCPA, UFRGS, Porto Alegre, RS, Brazil; Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA; Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA. Electronic address: fvairo@hcpa.edu.br.
3 Medical Genetics Service, HCPA, UFRGS, Porto Alegre, RS, Brazil.
4 School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Service of Surgical Pathology, HCPA, UFRGS, Porto Alegre, RS, Brazil.
5 School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Service of Gastroenterology, HCPA, UFRGS, Porto Alegre, RS, Brazil.
6 School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Postgraduate Program on Genetics and Molecular Biology, UFRGS, Porto Alegre, RS, Brazil; Medical Genetics Service, HCPA, UFRGS, Porto Alegre, RS, Brazil.