[1
]
Department of Nursing, Federal University of Pelotas, Pelotas, RS, Brazil; Postgraduate
Program of Epidemiology, Federal University of Pelotas, Pelotas, Brazil. Electronic
address: nunesbp@gmail.com.
[2
]
Postgraduate Program of Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
[3
]
Department of Nursing, Federal University of Pelotas, Pelotas, RS, Brazil; Postgraduate
Program of Nursing, Federal University of Pelotas, Pelotas, RS, Brazil.
[4
]
Postgraduate Program of Epidemiology, Federal University of Pelotas, Pelotas, Brazil;
Postgraduate Program of Nursing, Federal University of Pelotas, Pelotas, RS, Brazil.