Mouchtouri VA, Simou E, Soteriades S, Rousou X, Kontouli KM, Kafetsouli D, Kourentis L, Anagnostopoulos L, Hadjichristodoulou C. Systematic literature review and meta-analysis on preventing and controlling norovirus outbreaks on cruise ships, 1990 to 2020: calling for behaviour change strategies of travellers. Euro Surveill. 2024 Mar 7;29(10). doi: 10.2807/1560-7917.ES.2024.29.10.2300345
Christensen T, Riis AH, Hatch EE, Wise LA, Nielsen MG, Rothman KJ, Toft Sorensen H, Mikkelsen EM. Costs and efficiency of online and offline recruitment methods: a web-based cohort study. J Med Internet Res. 2017 Mar 1;19(3):e58. doi: 10.2196/jmir.6716