| Steven Ballet | (1-12/02) | Vrije Univ., Brussel, (Belgium) Synthesis of Piperidinoazepinone Amino Acids |
| Van Cauwenberghe Sylvia | (6-8/01) | Vrije Univ., Brussel, (Belgium) Enkephalin Mimics |
| Katie Amssoms | (7-10/00) | Univ. of Antwerp, Antwerp, (Belgium): DPP IV/font> |
| Gunther Bal | (7-10/00) | Univ. of Antwerp, Antwerp, (Belgium): DPP IV |
| Zhang Mei | (2-5/00) | Univ. of Antwerp, Antwerp, (Belgium): DPP IV |
| Mannekens Els | (7-9/99) | Vrije Univ., Brussel, (Belgium) |
| Kayo | (7-8/96) | Kyoto University, Kyoto, Japan. Synthesis of Isoxazoles Amino Acids |