title: Authors' reply.
authors.affiliation: Seoul, South Korea.
authors.forename: Yang-Soo
authors.initials: YS
authors.lastname: Kim
authors.affiliation: Seoul, South Korea.
authors.forename: Hyo-Jin
authors.initials: HJ
authors.lastname: Lee
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D017006:Rotator Cuff / Q000601:surgery*; D012785:Shoulder Joint / Q000601:surgery*; D013708:Tendon Injuries / Q000601:surgery*