1. Deparment of Endocrinology/Diabetes; Children's Hospital of Philadelphia; Philadelphia; PA; USA
2. Biostatistics Center; George Washington University; Rockville; MD; USA
3. Deparment of Exercise; Nutrition and Health; University of Bristol; Bristol; UK
4. School of Medicine; University of North Carolina; Chapel Hill; NC; USA
5. University of Southern California; Children's Hospital Los Angeles; Los Angeles; CA; USA
6. University of California; Irvine; CA; USA
7. Health Promotion and Sports Medicine; Oregon Health & Science University; Portland; OR; USA
8. Deparment of Pediatrics; University of Texas Health Science Center; San Antonio; TX; USA