THE USE OF A PROBIOTIC LACTOBACILLUS RHAMNOSUS AND A PROBIOTIC BIFIDOBACTERIUM LONGUM IN THE MANUFACTURE OF A MEDICAMENT OR THERAPEUTIC NUTRITIONAL COMPOSITION FOR ADMINISTRATION TO AN INFANT DURING AT LEAST THE FIRST THREE MONTHS OF LIFE FOR THE LONG-TERM PROPHYLAXIS OF DIARRHOEA IN INFANTS AND YOUNG CHILDREN.