1. OHSU-PSU School of Public Health; Oregon Health & Science University; Portland, OR USA
2. Bone and Mineral Unit; Oregon Health & Science University; Portland, OR USA
3. Biostatistics and Design Program; OHSU-PSU School of Public Health; Oregon Health & Science University; Portland, OR USA
4. Biological Sciences Division; Pacific Northwest National Laboratory; Richland, WA USA
5. Division of Biostatistics; Oregon Health & Science University; Portland, OR USA
6. Research Service; Portland Veterans Affairs Medical Center; Portland, OR USA
7. Division of Bioinformatics and Computational Biology; Oregon Health & Science University; Portland, OR USA
8. Department of Medicine; University of California; San Francisco, CA USA
9. Department of Internal Medicine; University of California at Davis; Sacramento, CA USA
10. California Pacific Medical Center Research Institute; San Francisco, CA USA
11. Department of Medicine; Oregon Health & Science University; Portland, OR USA