From *Hospital Italiano, Buenos Aires, Argentina

†St. Gilesmedical (London & Berlin) & University of Applied Sciences, Bremen, Germany

‡Former Medical Director Marie Curie Hospice, Hampstead, London, United Kingdom.

Address correspondence and reprint requests to Carlos Lifschitz, MD, Hospital Italiano Servicio de Gastroenterologia Infantil, Tte. Gral. Juan Domingo Perón 4190, CABA., CP C1199ABB, Buenos Aires, Argentina (e-mail: [email protected]).