Study Design, Settings, and Participants. This was a
community-based, cross-sectional study conducted in the
newly established (established in December 2014) municipalities
of Kathmandu District, Nepal, between January
and July 2015. The ten municipalities are located on the
outskirts of Kathmandu metropolitan city and are areas with
rapid, unplanned urbanization and with high immigration of
people from other areas of Nepal [14]. These municipalities
contain a total population of more than 300,000 people [15].