. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Diabetes Res Clin Pract. 2015 Jan 21;108(1):e14–e17. doi: 10.1016/j.diabres.2015.01.020
© 2015 Published by Elsevier Ireland Ltd.
This manuscript version is made available under the CC BY-NC-ND 4.0 license.