Exploring dissatisfaction with treatment of hypothyroidism : 1 coexistent diseases and treatment preferences 2 3

7 Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, Illinois, 8 USA 9 Division of Endocrinology, Mayo Clinic, Rochester, MN, USA 10 Division of Endocrinology, Diabetes, and Metabolism, Perelman School of Medicine, Universi11 ty of Pennsylvania, Philadelphia, PA, USA 12 Division of Diabetes and Metabolism, Cardiff University, Cardiff, Wales, UK 13 School of Medicine, Boston University, Boston, MA, USA 14 Division of Endocrinology, Beth Israel Deaconess Medical Center, Boston, MA, USA 15 Feinberg School of Medicine, Northwestern University, Chicago, IL, USA 16 Thyroid Associates, Massachusetts General Hospital, Boston, MA, USA 17 Oregon Clinical and Translational Research Institute, Oregon Health & Science University, 18 Portland, OR, USA 19 University Health Network and University of Toronto, Toronto, Ontario, Canada 20 Division of Endocrinology, Georgetown University, Washington, District of Columbia, USA 21 22