| Affiliation: | 1. Institute of Hygiene and Epidemiology, Prague, Czechoslovakia;2. Institute of Sera and Vaccines, Prague, Czechoslovakia;3. Institute of Health, Tokyo, Japan;2. CHRU de Tours, Hôpital Trousseau, Service de Rhumatologie, Tours Cedex, France.;3. Spine Group of the French Society of Rheumatology, Tours Cedex, France.;1. Department of Maxillofacial Surgery/Plastic Surgery, Friedrich Schiller University Jena, Germany;2. Private Practice, Erfurt, Germany;3. Institute of Pathology, Friedrich Schiller University Jena, Germany;1. Department of Neurosurgery, Seoul Wooridul Hospital, Seoul 157-822, Korea;2. Department of Neurosurgery, Busan Wooridul Spine Hospital, Busan 607-831, Korea |
