“…In addition, the MD intervention varied between the clinical trials in terms of hours of intervention, detail of the recommendations given, and macronutrient composition of the diet. In most trials, the control diet was a low-fat, high-carbohydrate diet (21,23,24,42,43,46,47,49,53,(55)(56)(57)(58)(59)(60)(61)(62), a low-carbohydrate diet (49,63), a prudent diet (30,32), usual patient treatment (22,64), American Diabetes Association diet (45), receiving general healthy dietary information (27,29,31,39,41), high-saturated-fat diet (30,34,46,47,53,(58)(59)(60)(61), or less counselling on an MD prescription (51). In 9 trials, MD was part of a lifestyle intervention comprising exercise (24,32,43) or a structured plan (smoking cessation, exercise, stress management) (21,22,…”