Jelena Z Popadic Gacesa*, Milica Momcilovic, Igor Veselinovic, David A Brodie and Nikola G Grujic
* Corresponding author: Jelena Z Popadic Gacesa jpopadic@uns.ac.rs
BMC Musculoskeletal Disorders 2012, 13:217 doi:10.1186/1471-2474-13-217