Understanding how socioecological factors affect COVID-19 vaccine perceptions among adolescents: qualitative evidence from seven high-, middle- and low-income countries - Ramaiya, Astha; Chipeta, Effie; Hunersen, Kara; Mmari, Kristin; Borges, Ana Luiza; Cabral, Cristiane da Silva; Mafuta, Eric; Lulebo, Aimee; Yu, Chunyan; Pinandari, Anggriyani Wahyu; Wilopo, Siswanto Agus (Journal of Global Health Reports, 2024)