[1] Roche Diabet Care GmbH, Global Med & Sci Affairs, Mannheim, Germany
[2] Dr Hauss Training & Beratung, Maxdorf, Germany
[3] CERTE, Locatie Med Ctr Leeuwarden, Leeuwarden, Netherlands
[4] Charles Univ Prague, Fac Med 1, Inst Med Chem & Lab Med, Prague, Czech Republic
[5] Gen Univ Hosp, Prague, Czech Republic
[6] Stellenbosch Univ, Cape Town, South Africa
[7] NHLS Tygerberg Hosp, Dept Pathol, Cape Town, South Africa