Heritability of objectively assessed daily physical activity and sedentary behavior.
den Hoed M, Brage S, Zhao JH, Westgate K, Nessa A, Ekelund U, Spector TD, Wareham NJ, Loos RJ
The American Journal of Clinical Nutrition. Sep 2013
(DOI : 10.3945/ajcn.113.069849)