Oncological patients' reactions to COVID‐19 pandemic: A single institution prospective study oleh Concetta Elisa Onesti, Hélène Schroeder, Andrée Rorive, Brieuc Sautois, Marie Lecocq, Marie Goffin, Elodie Gonne, Astrid Collinge, Laurence Nicolaers, Odile Wéra, Amandine Catot, Catherine Loly, Astrid Paulus, Anne Sibille, Laurence Lousberg, Florence Troisfontaine, Joëlle Collignon, Christine Gennigens, Pierre Frères, Marc Polus, Bernard Duysinx, Frédérique Vaillant, Nathalie Marchal, Aurélie Poncin, Guy Jerusalem