1 Department of the History of Science, Harvard College, Cambridge, MA, USA.
2 Department of Medicine-Division of Endocrinology-Neuroendocrine, Massachusetts General Hospital, MGH Weight Center, 4th Floor, Weight Center, 50 Staniford Street, Boston, MA, 02114, USA. fstanford@mgh.harvard.edu.
3 Department of Pediatrics-Division of Endocrinology, Nutrition Obesity Research Center at Harvard (NORCH), Boston, MA, USA. fstanford@mgh.harvard.edu.