1. Department of Medicine, VA Medical Center West Los Angeles, Los Angeles, CA, USA,
2. Research Service, VA Medical Center West Los Angeles, Los Angeles, CA, USA,
3. Department of Medicine, UCLA School of Medicine, Los Angeles, CA, USA,
4. UCLA Center for Human Nutrition, UCLA School of Medicine, Los Angeles, CA, USA,
5. Department of Sustainable Engineering, College of Industrial Technology, Nihon University, Japan, and
6. Department of Microbiology, Immunology and Molecular Genetics, UCLA School of Medicine, Los Angeles, CA, USA