[1] Heinrich Heine Univ Dusseldorf, Univ Hosp Dusseldorf, Clin Gastroenterol Hepatol & Infect Dis, Med Fac, Dusseldorf, Germany
[2] KGP Bremerhaven, Bremerhaven, Germany
[3] Charite Univ Med Berlin, Dept Gastroenterol & Hepatol, Berlin, Germany
[4] IQVIA, Epidemiol, Frankfurt, Germany