1. Biomolecular Medicine, Department
of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South
Kensington, London, SW7 2AZ, U.K.
2. The Nestle Research Centre—St. Louis, St. Louis, Missouri 63164,
United States
3. Nestle Research Centre, Lausanne, NESTEC Limited, Vers-Chez-Les-Blanc, 1000
Lausanne 26, Switzerland