Perspectives of adolescents with severe obesity on social Media in Preparation for weight-loss surgery: a qualitative study oleh Elizabeth Prout Parks, Darra D. Finnerty, Jennifer Panganiban, Rosemary Frasso, Chanelle Bishop-Gilyard, Colleen M. Tewksbury, Noel N. Williams, Kristoffel R. Dumon, Gaby Cordero, Douglas L. Hill, David B. Sarwer