Physical activity among children: objective measurements using Fitbit Onetextregistered and ActiGraph
Lotta Hamari,
Tiina Kullberg,
Jukka Ruohonen,
Olli J Heinonen,
Natalia Díaz-Rodríguez,
Johan Lilius,
Anni Pakarinen,
Annukka Myllymäki,
Ville Leppänen,
Sanna Salanterä