title: Authors' reply.
authors.affiliation: Ioannina, Greece.
authors.forename: Anastasios D
authors.initials: AD
authors.lastname: Georgoulis
authors.affiliation: Ioannina, Greece.
authors.forename: Eleni
authors.initials: E
authors.lastname: Triantafyllidi
authors.affiliation: Ioannina, Greece.
authors.forename: Nikolaos K
authors.initials: NK
authors.lastname: Paschos
mesh_terms: D016118:Anterior Cruciate Ligament / Q000033:anatomy & histology*; D064594:Bone-Patellar Tendon-Bone Grafts / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D008297:Male; D016119:Posterior Cruciate Ligament / Q000033:anatomy & histology*