aDepartment of Diabetes, Central Clinical School, Monash University, Melbourne, Victoria, Australia

bDiabetes Centre, Khoo Teck Puat Hospital, Singapore, Singapore

Correspondence to Jairo A. Pinzon-Cortes, Department of Diabetes, Monash University, Level 5, Alfred Centre, 99 Commercial Rd, Melbourne, VIC 3004, Australia. Tel: +61 3 990 30009; e-mail: [email protected]