2.4. Intervention
The intervention consisted of two phases: a 10-week intensive phase and a less intensive, 22-month alumni phase [Dietary recommendations of the HLCP-2 included consuming more healthy plant-based foods, like vegetables, fruits, legumes, whole grains, seeds, nuts and healthy oils. In addition, participants were encouraged to reduce the intake of less healthy foods, such as meat, high-fat dairy products, highly processed foods and added sugar and salt [A healthy lifestyle handbook, an information sheet with an overview of the key lifestyle recommendations and a recipe booklet were handed out to the participants [