RT Article T1 Electronic device use and beverage related sugar and caffeine intake in US adolescents JF PLOS ONE VO 14 IS 10 A1 Bradbury, Kelly M. A2 Morrison, Katherine M. A2 Turel, Ofir LA English YR 2019 UL https://krimdok.uni-tuebingen.de/Record/1912534215 DO 10.1371/journal.pone.0223912