PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 221 (xsd:integer)
nif:isString
  • The study protocol was approved by the Regional Ethical Review Board of Linköping, Sweden (Registration number 2011–3731), and oral and written informed consent was obtained from the participants and one of their parents.
rdf:type