1. Department of Radiology, Thien Hanh Hospital, Buon Ma Thuot, Vietnam
2. Department of Radiology, FV Hospital, Ho Chi Minh City, Vietnam
3. Department of Radiology, Savannakhet Medical-Diagnostic Center, Kaysone Phomvihane, Laos
4. Department of Endocrinology, Diabetes and Metabolism, Walter Reed National Military Medical Center, Bethesda, USA
5. Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, USA