Burden of hypertension and associated risks for cardiovascular mortality in Cuba: a prospective cohort study by Nurys Armas Rojas, ProfMBChB, Emily Dobell, MBBS, Ben Lacey, FFPH, Patricia Varona-Pérez, ProfMD, Julie Ann Burrett, PhD, Elba Lorenzo-Vázquez, MD, Marcy Calderón Martínez, MD, Paul Sherliker, BA, Sonia Bess Constantén, MD, José Manuel Morales Rigau, ProfMSc, Osvaldo Jesús Hernández López, MSc, Miguel Ángel Martínez Morales, MD, Ismell Alonso Alomá, MD, Fernando Achiong Estupiñan, ProfMD, Mayda Díaz González, MD, Noel Rosquete Muñoz, MD, Marelis Cendra Asencio, MD, Richard Peto, ProfFRS, Jonathan Emberson, PhD, Alfredo Dueñas Herrera, ProfMS, Sarah Lewington, ProfDPhil