[1] Labormedizinisches Zentrum Dr. Risch,Division of Clinical Chemistry
[2] Private Medical Office,Division of Endocrinology
[3] Diabetes and Clinical Nutrition,Division of General Internal Medicine
[4] University Hospital,Central Laboratory
[5] University Hospital,undefined
[6] Kantonsspital Graubünden,undefined
[7] Private University of the Principality of Liechtenstein,undefined
[8] Division of Clinical Biochemistry Medical University Innsbruck,undefined