Correspondence to: 15 Margarita Bala, MD 16 Department of Medicine I 17 Endocrine and Diabetes Unit 18 University Hospital of Wuerzburg 19 Oberduerrbacherstrasse 6 20 D-97080 Wuerzburg, Germany 21 Tel: +49 931 201 39717, Fax: +49 931 201 6039717 22 [email protected] 23 24 Co-authors: 25 Cristina L. Ronchi: [email protected] 26 Josef Pichl: [email protected] 27 Vanessa Wild E_Wild_V...