1 Department of Medical Genetics, Faculty of Medical Sciences, State University of Campinas - Unicamp, Brazil. Electronic address: luciana_mrezende@hotmail.com.
2 Department of Medical Genetics, Faculty of Medical Sciences, State University of Campinas - Unicamp, Brazil; Department of Pediatrics, Faculty of Medical Sciences, State University of Campinas - Unicamp, Brazil. Electronic address: fernandolimamarson@hotmail.com.
3 Department of Medical Clinics, Faculty of Medical Sciences, State University of Campinas - Unicamp, Brazil. Electronic address: carmenl@fcm.unicamp.br.
4 Department of Medical Genetics, Faculty of Medical Sciences, State University of Campinas - Unicamp, Brazil. Electronic address: bertuzzo@unicamp.br.