Papadaki, A., Linardakis, M., Plada, M., Larsen, T., van Baak, M., Lindroos, A.K., Pfeiffer, A., Martinez, J.A., Handjieva-Darlenska, T., Kunešová, M., Holst, C., Saris, W., Astrup, A., Kafatos, A. and on behalf of DiOGenes (project ’Diet, Obesity and Genes’, supported by the European Community) 2013. A multicentre weight loss study using a low-calorie diet over 8 weeks: regional differences in efficacy across eight European cities. Swiss Medical Weekly. 143, 0304 (Jan. 2013), w13721. DOI:https://doi.org/10.4414/smw.2013.13721.