“…As previously described the following inclusion criteria were established (Schwingshackl et al 2017a): i) Randomized comparison/controlled design (parallel or cross-over) between different dietary approaches (Schwingshackl et al 2018): a. DASH diet: high intake of fruits & vegetables, low-fat dairy products, and whole grains, and low in sodium (Appel et al 1997); b. Mediterranean dietary pattern: high consumption of fruit, vegetables, olive oil, legumes, cereals, fish, and moderate intake of red wine during meals (Schwingshackl and Hoffmann 2014a, 2014c); c. Low carbohydrate (LC) diet: <25% carbohydrates of total energy intake; high intake of animal and/ or plant protein; often high intake of fat (Schwingshackl and Hoffmann 2013a); d. Palaeolithic Diet: lean meat, fish, fruit, leafy and cruciferous vegetables, root vegetables, eggs and nuts, while excluding dairy products, cereal grains, beans, refined fats, sugar, candy, soft drinks, beer and extra addition of salt (Jonsson et al 2009); e. Moderate-carbohydrate diet: 25-45% carbohydrates of total energy intake; 10-20% protein intake (Schwingshackl and Hoffmann 2013a); f. High protein (HP) diet: >20% protein intake of total energy intake; high intake of animal and/ or plant protein; <35% fat (Schwingshackl and Hoffmann 2013b); g. Nordic Diet: whole-grain products, abundant use of berries, fruit and vegetables, rapeseed oil, three fish meals per week, low-fat dairy products and avoidance of sugar-sweetened products (Uusitupa et al 2013); h. Tibetan Diet: high-protein and vitamin-rich food, preferably cooked and warm food (von Haehling et al 2013); i. Low fat (LF) diet: <30% fat of total energy intake;…”