@conference { TroostersPico,
	title = {Two approaches to assess physical activities of daily life; steps and energy expenditure},
	year = {2007},
	type = {inproceedings},
	author = { Troosters, T.  and  Battaglia,  S. and  Valuri, S. Rao  and  Andre, D  and  Bellia, M.  and  Langer, D.  and  Weisman, I.  and  Martino, L.  and  Decramer, M  and  Sciurba, F.}
}