1 Division of Gastroenterology, Clinique Mutualiste, Lyon, France
2 BioMérieux, Christophe Mérieux Center, Grenoble, France
Correspondence: Vincent Baty, MD, MPH, Division of Gastroenterology, Clinique Mutualiste, 107 rue Trarieux, 69003 Lyon, France. E-mail: vbaty@clinique-mutualiste-lyon.com