Intervention protocol
The study was conducted by one investigator (KP), and to allow easier project management, the selected participants were split into two groups by studying them in two phases. Phase 1 [Prior to their first measurement day, all participants were asked to consume a dinner which conformed to the trial meal plan provided to them. Participants attended the research centre following at least 10 h of overnight fasting, 8 h of sleep and abstinence from alcohol and vigorous exercise for at least 36 h prior to the measurement. They were instructed not to shower in the morning to avoid any increase in metabolic rate. On arrival, they emptied their bladder and changed into a standard dressing gown, after which their weight and waist circumference were measured. They were then asked to rest in bed for 30 min in the supine position, in a 25 