Correspondence to Julien Kirchgesner, Service de Gastroentérologie et Nutrition, Hôpital Saint-Antoine, Assistance Publique - Hôpitaux de Paris, 184 rue du faubourg Saint-Antoine, Paris 75012, France; ...

1 Department of Molecular Oncology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University 2 Department of Human Pathology, Graduate School of Medical and Dental Sciences, ...