1. Department of Medicine Sultan Qaboos University Hospital Muscat Oman
2. Division of Medicine Royal Darwin Hospital Darwin NT Australia
3. Northern Territory Medical Program, Flinders University School of Medicine Darwin NT Australia
4. Menzies School of Health Research Charles Darwin University Darwin NT Australia
5. Department of Endocrinology Metabolism, and Diabetes, Karolinska University Hospital Stockholm Sweden
6. Department of Molecular Medicine and Surgery Karolinska Institute Stockholm Sweden