Youth perceptions of how neighborhood physical environment and peers affect physical activity: a focus group study
1 Department of Kinesiology, Michigan State University, 308 W. Circle Drive, East Lansing 48824, MI, USA
2 Department of Exercise and Health Sciences, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston 02125, MA, USA
3 Department of Health Kinesiology, Purdue University, 800 W. Stadium Ave, West Lafayette 47907, IN, USA
4 Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, 209 Fetzer Hall, Chapel Hill 27599, NC, USA