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1 Division of Gastroenterology and Endocrinology, University Medical Center Rostock, Rostock, Germany.
2 Medizinische Klinik 1 - Gastroenterologie und Hepatologie, Pneumologie und Allergologie, Endokrinologie und Diabetologie sowie Ernährungsmedizin, Universitätsklinikum Frankfurt, Frankfurt/M., Germany.
1 Division of Gastroenterology and Endocrinology, University Medical Center Rostock, Rostock, Germany.
2 Medizinische Klinik 1 - Gastroenterologie und Hepatologie, Pneumologie und Allergologie, Endokrinologie und Diabetologie sowie Ernährungsmedizin, Universitätsklinikum Frankfurt, Frankfurt/M., Germany.