Received: 4 February 2020
Accepted: 10 August 2020
First Online: 20 August 2020
Ethics approval and consent to participate
: BRAVO was ethically approved by the Institutional Review Board of the Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo Hospital, Jakarta, Indonesia (reference number: 913/UN2.F1/ETIK/X/2012). All participants had oral and written information and signed a consent before they were enrolled in this study.
: Not Applicable.
: The authors declare that they have no competing interests.