[1] Katholieke Univ Leuven, Fac Med, Herestr 49, B-3000 Leuven, Belgium
[2] AZ Alma Gen Hosp, Ringlaan 15, B-9900 Eeklo, Belgium
[3] Antwerp Univ, Global Hlth Inst, Dept Family Med & Populat Hlth, Antwerp, Belgium
[4] Karolinska Inst, Ctr Translat Microbiome Res, Dept Microbiol Tumour & Cell Biol, Stockholm, Sweden