. "2018" . . . "Buckinx Fanny, Landi Francesco, Cesari Matteo, Fieding Roger A., Visser Marjolein, Engelke Klaus, Maggi Stefania, Dennison Elaine, Al-Daghri Nasser M., Allepaerts Sophie, Bauer Jurgen, Bautmans Ivan, Brandi Maria-Luisa, Bruy\u00E8re Olivier, Cederholm Tommy, Cerreta Francesca, Cherubini Antonio, Cooper Cyrus, Cruz-Jentoft Alphonso, McCloskey Eugene, Dawson-Hughes Bess, Kaufman Jean-Marc, Laslop Andrea, Petermans Jean, Reginster Jean-Yves, Rizzoli Ren\u00E9, Robinson Sian, Rolland Yves, Rueda Ricardo, Vellas Bruno, Kanis John A.. The authors reply: Letter on: \u201CPitfalls in the measurement of muscle mass: a need for a reference standard\u201D by Clark et al. 2018." . . . "10.1002/jcsm.12387" . .