Ethics approval and consent to participate
HEART
Approval was obtained from the Institutional Ethics Committees at Government Medical College Nagpur (1724 EC/Pharmac/GMC/NGP), Spandan Heart Institute and Research Center (MOLI Study), and Mahatma Gandhi Institute of Medical Sciences (MGIMS/IEC/OBGY/96/2020). This trial is sponsored by the University of Liverpool (UoL001374). The study is registered with Clinical Trials.gov (NCT03749902) and Clinical Trial Registry, India (CTRI/2O W I A4l 0 I 8527). All methods were carried out in accordance with relevant guidelines and regulations. Informed consent was obtained from all subjects prior to the interviews.