I Gde Rurus Suryawan1,*, Andrianto1, Ratna Dewi Cahyaningtias1, Makhyan Jibril Al-Farabi1,2
1Department of Cardiology and Vascular Medicine, Soetomo General Hospital, Airlangga University, Mayjend. Prof. Dr. Moestopo Street No.6-8, Surabaya, INDONESIA.
2School of Health Management, University College London, Gower St, Bloomsbury, London WC1E 6BT, UK.