1 The Aga Khan University, National Stadium Road, Karachi, Sindh, Pakistan. Electronic address: imran.nisar@aku.edu.
2 The Aga Khan University, National Stadium Road, Karachi, Sindh, Pakistan.
3 Yale Institute of Global Health, New Haven, CT, United States; Yale School of Medicine, New Haven, CT, United States.
4 Yale Institute of Global Health, New Haven, CT, United States; Yale School of Medicine, New Haven, CT, United States; Yale School of Public Health, New Haven, CT, United States.
5 Yale Institute of Global Health, New Haven, CT, United States; Yale School of Medicine, New Haven, CT, United States; Yale School of Public Health, New Haven, CT, United States; Yale School of Nursing, Orange, CT, United States.