Daily practices in chemotherapy for advanced gastric or gastroesophageal junction adenocarcinoma: METESTOMAC French prospective cohort oleh Sylvain Manfredi, Marie Dior, Olivier Bouche, Emilie Barbier, Vincent Hautefeuille, Marielle Guillet, Justine Turpin, Vincent Bourgeois, Dall Osto Helene, Romain Desgrippes, Franck Audemar, Yann Molin, Christophe Locher, Thierry Chatellier, Thierry Lecomte, Nathalie Baize, Cedric Lecaille, Dominique Spaeth, Gael Goujon, Come Lepage, David Tougeron, For The Metestomac Investigators/Collaborators