1. Department of Anatomy, Histology and Embryology, University Medical School of Debrecen, Debrecen, Hungary
2. Section of Biochemistry and Molecular Biology (Department of Orthopaedic Surgery) and
3. Section of Rheumatology (Department of Internal Medicine) and Department of Immunology, Rush University at Rush-Presbyterian-St Luke’s Medical Center, Chicago, IL, USA
4. Department of Genetics, Cell and Immunobiology, Semmelweis Medical University, Budapest, Hungary