?:authorAffiliation
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[\'EPIUnit-Public Health Institute, Porto University, Porto, Portugal; Departament of Public Health Sciences, Medicine Faculty, Porto University, Porto, Portugal; National Health Council, Lisbon, Portugal. Electronic address: teresaleao@med.up.pt.\', \'EPIUnit-Public Health Institute, Porto University, Porto, Portugal.\', \'EPIUnit-Public Health Institute, Porto University, Porto, Portugal; Departament of Public Health Sciences, Medicine Faculty, Porto University, Porto, Portugal.\', \'EPIUnit-Public Health Institute, Porto University, Porto, Portugal; Departament of Public Health Sciences, Medicine Faculty, Porto University, Porto, Portugal; National Health Council, Lisbon, Portugal.\']
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