Published on in Vol 6, No 6 (2022): June
1 School of Public Health and Preventative Medicine, Monash University, Melbourne, Australia
2 Warwick Medical School, University of Warwick, Coventry, United Kingdom
3 Department of Public Health, Faculty of Medicine, St Francis University College of Health and Allied Sciences, Ifakara, United Republic of Tanzania
4 Centre for Health Policy, University of the Witwatersrand, Johannesburg, South Africa
5 Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London, London, United Kingdom
6 Warwick Clinical Trials Unit, University of Warwick, Coventry, United Kingdom
*these authors contributed equally