1. Department of Nutrition, Physicians Committee for Responsible Medicine, Washington, DC, USA (ZA, SS, RB, AH, NDB)
2. Department of Communication, Physicians Committee for Responsible Medicine, Washington, DC, USA (RB)
3. Department of Internal Medicine-Pediatrics, Rutgers New Jersey Medical School, Newark, NJ, USA (SKK)
4. Eastern Virginia Medical School, Norfolk, VA, USA (AMD)