Westerterp, Klaas R.Yamada, YosukeSagayama, HiroyukiAinslie, Philip N.Andersen, Lene F.Anderson, Liam J.Arab, LenoreBaddou, IssaadBedu-Addo, KwekuBlaak, Ellen E.Blanc, StephaneBonomi, Alberto G.Bouten, Carlijn V.C.Bovet, PascalBuchowski, Maciej S.Butte, Nancy F.Camps, Stefan G.J.A.Close, Graeme L.Cooper, Jamie A.Das, Sai K.Cooper, RichardDugas, Lara R.Ekelund, UlfEntringer, SonjaForrester, TerrenceFudge, Barry W.Goris, Annelies H.Gurven, MichaelHambly, CatherineEl Hamdouchi, Asmaa E.Hoos, Marije B.Hu, SumeiJoonas, NoorjehanJoosen, Annemiek M.Katzmarzyk, PeterKempen, Kitty P.Kimura, MisakaKraus, William E.Kushner, Robert F.Lambert, Estelle V.Leonard, William R.Lessan, NaderMartin, Corby K.Medin, Anine C.Meijer, Erwin P.Morehen, James C.Morton, James P.Neuhouser, Marian L.Zhang, XueyingSpeakman, John R.International Atomic Energy Agency Doubly Labeled Water database group2023-07-252023-07-252021-11-01Westerterp, K R, Yamada, Y, Sagayama, H, Ainslie, P N, Andersen, L F, Anderson, L J, Arab, L, Baddou, I, Bedu-Addo, K, Blaak, E E, Blanc, S, Bonomi, A G, Bouten, C V C, Bovet, P, Buchowski, M S, Butte, N F, Camps, S G J A, Close, G L, Cooper, J A, Das, S K, Cooper, R, Dugas, L R, Ekelund, U, Entringer, S, Forrester, T, Fudge, B W, Goris, A H, Gurven, M, Hambly, C, El Hamdouchi, A E, Hoos, M B, Hu, S, Joonas, N, Joosen, A M, Katzmarzyk, P, Kempen, K P, Kimura, M, Kraus, W E, Kushner, R F, Lambert, E V, Leonard, W R, Lessan, N, Martin, C K, Medin, A C, Meijer, E P, Morehen, J C, Morton, J P, Neuhouser, M L, Zhang, X, Speakman, J R & International Atomic Energy Agency Doubly Labeled Water database group 2021, 'Physical activity and fat-free mass during growth and in later life', American Journal of Clinical Nutrition, vol. 114, no. 5, pp. 1583-1589. https://doi.org/10.1093/ajcn/nqab2600002-9165https://hdl.handle.net/2164/21305Funding Information: Supported by US National Science Foundation grant BCS-1824466 (to HP). The funders played no role in the content of this article.72392091engagebody compositiondoubly labeled waterenergy expenditurephysical activity levelR MedicineMedicine (miscellaneous)Nutrition and DieteticsRJournal article10.1093/ajcn/nqab260http://www.scopus.com/inward/record.url?scp=85118441591&partnerID=8YFLogxK1145