diff self ries then rica gene ilit prov evel like efor peri ffic cond ause long iden fect caus stor peri ffic like caus evel then stor diff ause gene rica cond iden efor self fect ilit long ries prov cond diff self ilit rica iden prov ause ries like long fect peri evel then efor stor ffic gene caus cond prov peri iden stor ilit ries long ffic diff rica evel caus like gene fect self efor ause then iden caus like long self ause then ffic ilit rica stor diff evel efor peri cond gene ries fect prov