“…The other 12 studies 132,133,135,136,138,141,142,[147][148][149][150]155 were treatment studies in participants who were already overweight or obese. The greatest number of studies were conducted in health-care settings or study/university settings (n = 19 43,131,133,134,[136][137][138]141,143,144,147,150,152,155,157,158 ), with five 129,130,135,148,149 studies conducted in participants' homes (or in the home environment, e.g. shopping vouchers for fruit and vegetables), two 128,142 delivered remotely by telephone or through the internet and seven 127,132,139,140,145,146 being mass media or population-wide campaigns or prevention activities.…”