1 Department of Gastroenterology, Hopital Notre Dame de Grâce de Gosselies, 212, chaussée de Nivelles, 6041 Charleroi, Belgium. Electronic address: margauxvanharen@gmail.com.
2 Department of Gastroenterology, Hopital Notre Dame de Grâce de Gosselies, 6041 Charleroi, Belgium.
3 Department of clinical biology, Hopital Notre Dame de Grâce de Gosselies, 6041 Charleroi, Belgium.
4 Department of pneumology, Hopital Notre Dame de Grâce de Gosselies, 6041 Charleroi, Belgium.