The Cleveland Clinic and its partner in a new hospital in Abu Dhabi are among the sponsors of Arab Health 2008, a giant convention in Dubai. Eight Clinic doctors, including Clinic Chief Executive Officer and President Toby Cosgrove, will speak at the event. Officials are expecting more than 50,000 health-care professionals to attend the event and to see products and services from more than 2,000 exhibitors from 65 countries.