1. Program in Physical Therapy, School of Medicine; Washington University in St. Louis; St. Louis MO USA
2. Fogarty International Center; National Institutes of Health; Bethesda MD USA
3. University of Texas Health Science Center - Houston and University of Texas at Austin; TX USA
4. Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
5. National Council for Science and Technology - Center for Nutrition and Health Research; National Institute of Public Health; Cuernavaca Mexico
6. National Institute of Public Health; Cuernavaca Mexico
7. University of Texas Health Science Center at Houston; School of Public Health Austin Regional Campus; Austin TX USA
8. Institute for Public Health, Department of Family Medicine and Public Health; University of California, San Diego School of Medicine; San Diego CA USA