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Robert J Robertson currently working as an eminent Faculty member at Department of Health and Physical Activity, University of Pittsburgh, PA, USA. He has published numerous research papers and articles in reputed journals and has various other achievements in the related studies. He has extended his valuable service towards the scientific community with his extensive research work.
Adolescents; Longitudinal survey; Physical activity; Obesity
Research Article: J Child Adolesc Behav 2015, 3: 233
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