Gronowski, Pawel, Catermed Gross, Peter Group, członkowie zespołu Repaglinide Versus Na Group, Geert Jan Biessels-w imieniu Utrecht Dia Group, Giancarlo C. Viberti i ADOPT Study Group, The Diabetes Prevention Program Research Group, the Look AHEAD Adipose Research Gruchała, Aneta Gryz, E. Grzanka, Malgorzata, Department of Metabolic Diseases, Jagiellonian University Medical College, Krakow, Poland Grzelak, Piotr Grzelka, Agata, Poznan University of Medical Sciences, Department of Internal Medicine and Diabetology Grzelka, Agata, Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Raszeja Hospital, Mickiewicza 2, 60-834 Poznan, Poland Grzelka, Agata Grzeszczak, Władysław Grzeszczak, Władysław Grzeszczak, Władysław, Silesian University of Medicine (Poland) Grzeszczak, Władysław, Department of Internal Medicine, Diabetology and Nephrology in Zabrze, Medical University of Silesia in Katowice Grzeszczak, Władysław Grzeszczak, Władysław Grzyb, Beata Grzymisławski, Marian, Department of Internal Medicine, Metabolic and Nutrition, Poznan University of Medical Sciences Gu, Liqun Gubała, Monika, Śląski Uniwersytet Medyczny w Katowicach, Wydział Lekarski z Oddziałem Lekarsko-Dentystycznym w Zabrzu Guha, Mrinal Kanti