Fogarty International Center, National Institutes of Health, Bethesda, Maryland. Johns Hopkins University, Baltimore, Maryland. Temple University, Philadelphia, Pennsylvania. University of Venda, Thohoyandou, South Africa. Christian Medical College, Vellore, India. Haydom Lutheran Hospital, Haydom, Tanzania. icddr,b, Dhaka, Bangladesh. Tribhuvan University, Kathmandu, Nepal. Aga Khan University, Karachi, Pakistan. University of Bergen, Bergen, Norway. University of Virginia, Charlottesville, Virginia. Federal University of Ceara, Fortaleza, Brazil; and. The Pennsylvania State University, University Park, Pennsylvania lem118@psu.edu.