A 360° Approach to Personalize Lifestyle Treatment in Primary Care for People With Type 2 Diabetes: Feasibility Study - Zeena Harakeh; Iris de Hoogh; Anne-Margreeth Krijger-Dijkema; Susanne Berbée; Gino Kalkman; Pepijn van Empelen; Wilma Otten (JMIR Formative Research)