title: Authors’ response.
authors.forename: Augustus D
authors.initials: AD
authors.lastname: Mazzocca
authors.forename: Knut
authors.initials: K
authors.lastname: Beitzel
mesh_terms: D006801:Humans; D018485:Muscle Fibers, Skeletal / Q000502:physiology*; D010011:Osteocytes / Q000502:physiology*; D053657:Platelet-Rich Plasma; D013710:Tendons / Q000166:cytology*