Peiling Yap, Ivan Müller, Cheryl Walter, Harald Seelig, Markus Gerber, Peter Steinmann, Bruce P. Damons, Danielle Smith, Stefanie Gall, Dominique Bänninger, Thomas Hager, Nan S. N. Htun, Liana Steenkamp, Annelie Gresse, Nicole Probst-Hensch, Jürg Utzinger, Rosa Du Randt, Uwe Pühse
BMC Public Health. 2015; 15: 1285. Published online 2015 Dec 23. doi: 10.1186/s12889-015-2636-y