[1] Univ Indonesia, Dept Cardiol & Vasc Med, Fac Med, Harapan Kita Natl Cardiovasc Ctr, Jl Letjen S Parman Kav 87 Slipi, Jakarta 11420, Indonesia
[2] Brawijaya Univ, Dept Cardiol & Vasc Med, Fac Med, Dr Saiful Anwar Hosp, Malang, East Java, Indonesia
[3] John Radcliffe Hosp, Dept Radiol, Oxford, England