Oral step-down vs full-course intravenous antibiotic therapy for infective endocarditis: Protocol for a systematic review and meta-analysis - Jose D. Cruz-Cuevas; Julián Andrés Amador Bedoya; María Paula Méndez Gaitán; María Camila Ramírez; Javier González Quiroga; Adelaida Rodríguez Villegas; Antonia Sanín Reyes (PLoS ONE, 2026)