1. The Center for Effective Medical Testing, The Department of Pathology and ARUP Laboratories, University of Utah Health Sciences Center, Salt Lake City, Utah.
2. Department of Endocrinology, University of Southern California, Los Angeles, California.
3. Department of Endocrinology, Metabolism and Diabetes, University of Colorado, Aurora, Colorado.
4. Department of Family Medicine, Michigan Medicine, Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, Michigan.
5. Department of Pathology, University of Utah Health Sciences Center, Salt Lake City, Utah.