Five hundred doctors, including those from abroad, are participating in the event organized in collaboration with the International Orthopedic Association, SOA President Dr. Hazim Al-Khawashki said on Thursday. The five-day conference will discuss research papers on latest developments in the field of orthopedics. Twenty researchers from the United States, Canada, Britain, France, Germany, Austria, Sweden, Albania, Denmark and Portugal and 15 experts from Arab countries will read papers on the latest developments in the area.