[1] Christian Med Coll & Hosp, Dept Biostat, Vellore, Tamil Nadu, India
[2] Newcastle Univ, Translat & Clin Res Inst, Fac Med Sci, Newcastle Upon Tyne, England
[3] Mohammed Bin Rashid Univ Med & Hlth Sci, Coll Med, Dubai, U Arab Emirates
[4] Cardiff Univ, Coll Biomed & Life Sci, Ctr Trials Res, Cardiff, Wales
[5] Samarth NGO, Chennai, India
[6] Albert Einstein Coll Med, Dept Epidemiol & Populat Hlth, Bronx, NY USA
[7] McMaster Univ, Populat Hlth Res Inst, Hamilton, ON, Canada
[8] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[9] Christian Med Coll & Hosp, Dept Biostat, Vellore 632002, Tamil Nadu, India