title: Response to: Evaluation of the serum matrix metalloproteinase-9 as a biomarker for monitoring disease progression in Duchenne muscular dystrophy.
authors: Department of Human Genetics, Leiden University Medical Center, Postzone S4-P, P.O. Box 9600, Leiden 2300 RC, Netherlands.
authors: Pietro
authors: P
authors: Spitali
authors: Department of Human Genetics, Leiden University Medical Center, Postzone S4-P, P.O. Box 9600, Leiden 2300 RC, Netherlands.
authors: Annemieke
authors: A
authors: Aartsma-Rus
authors: Department of Human Genetics, Leiden University Medical Center, Postzone S4-P, P.O. Box 9600, Leiden 2300 RC, Netherlands. Electronic address: p.a.c.hoen@lumc.nl.
authors: Peter A C
authors: PA
authors: 't Hoen
mesh_terms: D000818:Animals; D018450:Disease Progression; D005260:Female; D006801:Humans; D008297:Male; D020780:Matrix Metalloproteinase 9 / Q000097:blood*; D020388:Muscular Dystrophy, Duchenne / Q000097:blood* / Q000503:physiopathology*
chemical_list: D020780:Matrix Metalloproteinase 9