Perceptions and Aspirations Toward Peer Mentoring in Social Media–Based Electronic Cigarette Cessation Interventions for Adolescents and Young Adults: Focus Group Study

Joanne Chen Lyu   ¹ , PhD ;   Aliyyat Afolabi   ¹ , BSc ;   Justin S White   ^{1, 2} , PhD ;   Pamela M Ling   ¹ , MPH, MD

¹ Center for Tobacco Control Research and Education, University of California, San Francisco, San Francisco, CA, United States

² Philip R Lee Institute for Health Policy Studies, University of California, San Francisco, San Francisco, CA, United States