1 “...). The app worked best in younger HIV patients under 30 years of age, who had their linkage to HIV care...”

2 “... their life cycle trajectories as these cohorts aged from youth into early adulthood. This approach allows us...”

3 “..., with declining birth rates and an increase in the aging population, low-income countries in particular will see...”

4 “... over the past 10 years, reaching more than 95,000 students in 2012. Graduates between the ages of 25...”