Back to profile Projects - prof.dr. EJ (Eric) Hazebroek MONUCO Obesity treatments, including metabolic surgery and pharmacological interventions, are effective at reducing body weight and associated comorbidities.... Vitaal Study The purpose of the COLON study is to provide a scientifically substantiated answer to the question whether nutrition and lifestyle affect the disease... NEWBIE Study The purpose of the COLON study is to provide a scientifically substantiated answer to the question whether nutrition and lifestyle affect the disease...