1. Department of Epidemiology and Environmental Health, School of Public Health and Health Professions University at Buffalo, The State University of New York Buffalo NY USA
2. Department of Ophthalmology and Visual Sciences University of Michigan Ann Arbor MI USA
3. Department of Epidemiology, Graduate School of Public Health University of Pittsburgh Pittsburgh PA USA
4. Program in Public Health, Department of Family, Population and Preventive Medicine Stony Brook University Stony Brook NY USA
5. Department of Medicine University of Massachusetts Medical School Worcester MA USA
6. Department of Medicine, University of Arizona Cancer Center Tucson AZ USA
7. Department of Obstetrics and Gynecology, School of Medicine and Public Health University of Wisconsin Madison WI USA
8. Stanford Prevention Research Center Stanford University School of Medicine Palo Alto CA USA
9. Research Institute California Pacific Medical Center San Francisco CA USA
10. Department of Epidemiology and Biostatistics University of California San Francisco CA USA
11. Mercy Health Osteoporosis and Bone Health Services Cincinnati OH USA
12. Department of Biobehavioral Nursing and Health Informatics University of Washington School of Nursing Seattle WA USA