1. Department of Genetics, Section of Clinical Biology, Universidade Federal do Parana, Curitiba, Parana, Brazil 81531-990
2. Universidade Federal do Parana, Curitiba, Parana, Brazil 81531-990. 2Division of Pneumology, Department of Pediatrics, Hospital de Clinicas da Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil 30130-100
3. Division of Pneumology, Department of Pediatrics, Hospital de Clinicas da Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
4. Division of Pneumology, Department of Pediatrics, Hospital de Clinicas da Universidade Federal do Parana, Curitiba, Parana, Brazil
5. Division of Pneumology, Department of Pediatrics, Hospital Infantil Joana de Gusmao, Florianopolis, Santa Catarina, Brazil 88025-300
6. Division of Pneumology, Department of Pediatrics, Hospital Regional Hans Dieter Schmidt, Joinvile, Santa Catarina, Brazil 89227-680
7. Division of Genetics, Department of Pediatrics and Biochemistry, Vanderbilt University School of Medicine, Nashville, TN
8. Genzyme Genetics, Framingham, MA 01701-9322
9. Universidade Federal do Parana, Curitiba, Parana, Brazil