Authors: Cornelia E Rebholz; Mai J M Chinapaw; Maartje M van Stralen; Elling Bere; Bettina Bringolf; Ilse De Bourdeaudhuij; Nataša Jan; Eva Kovacs; Lea Maes; Yannis Manios; Luis Moreno; Amika S Singh; Johannes Brug; Saskia J te Velde Journal: BMC Public Health Date: 2014-09-05 Impact factor: 3.295