Roland Gasser Dominique Brodbeck Markus Degen Jürg Luthiger Remo Wyss Serge Reichlin Persuasiveness of a Mobile Lifestyle Coaching Application Using Social Facilitation. 27-38 2006 conf/persuasive/2006 PERSUASIVE http://dx.doi.org/10.1007/11755494_5 db/conf/persuasive/persuasive2006.html#GasserBDLWR06