PORTICO: Clinical Trials ToolkitThis toolkit contains essential knowledge about what researchers need to know before embarking on a clinical trial. Topics address study startup, study documents, consent, oversight, management, and safety. The PORTICO Project is a National Institutes of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) Core Center of Excellence in Clinical Research focused on Pediatric Musculoskeletal Diseases (PMSKD).