van den Heerik, R. A. M., van Hooijdonk, C. M. J., Burgers, C. F., & Steen, G. J. (2017). ‘Smoking is sóóó… sandals and white socks’: Co-creation of a Dutch anti-smoking campaign to change social norms. Health Communication, 32(5), 621. DOI: 10.1080/10410236.2016.1168000