| Affiliation: | 1. Palo Alto Medical Foundation, Palo Alto Foundation Medical Group, 701 East El Camino Real, Mountain View, CA 94040, USA;1. Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China;2. National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China;3. Nutritional Epidemiology Lab, Pennsylvania State University, Philadelphia, PA, USA; and;4. Duke Molecular Physiology Institute and Division of Rheumatology, Department of Medicine, Duke University School of Medicine, Durham, NC, USA;1. Kaiser Permanente, 710 Lawrence Expressway, Santa Clara, CA 95051, USA;2. Palo Alto Medical Foundation Mountain View Center, 701 East EL Camino Real, Mountain View, CA 94040, USA;1. Florida Orthopedic Foot & Ankle Center, 1630 S. Tuttle Avenue, Sarasota, FL 34239, USA;2. Orthopedics & Sports Medicine - BayCare Clinic, 501 N. 10th Street, Manitowoc, WI 54220, USA;3. Orthopedic Foot & Ankle Center, 350 W. Wilson Bridge Road, Worthington, OH 43085, USA;4. Phoenix Foot and Ankle Institute, 7301 E 2nd Street, Ste 206, Scottsdale, AZ 85251, USA;5. Weil Foot & Ankle Institute, 1900 Hollister Dr., Suite 160, Libertyville, IL 60048, USA |
